Line graph with 4 lines and 102 points per line.

Higher amounts of carbohydrates are available per capita per day for the average American than are other components in the food system
The amount of dietary fiber available for consumption has remained an average of 23 grams per person from 1909 to 2010

Grams per person per year
Line 1, Carbohydrates.
Point 1, 1909 is 499.
Point 2, 1910 is 498.
Point 3, 1911 is 492.
Point 4, 1912 is 493.
Point 5, 1913 is 492.
Point 6, 1914 is 486.
Point 7, 1915 is 483.
Point 8, 1916 is 473.
Point 9, 1917 is 472.
Point 10, 1918 is 468.
Point 11, 1919 is 480.
Point 12, 1920 is 460.
Point 13, 1921 is 445.
Point 14, 1922 is 485.
Point 15, 1923 is 474.
Point 16, 1924 is 482.
Point 17, 1925 is 483.
Point 18, 1926 is 488.
Point 19, 1927 is 489.
Point 20, 1928 is 494.
Point 21, 1929 is 484.
Point 22, 1930 is 485.
Point 23, 1931 is 471.
Point 24, 1932 is 457.
Point 25, 1933 is 446.
Point 26, 1934 is 438.
Point 27, 1935 is 444.
Point 28, 1936 is 447.
Point 29, 1937 is 441.
Point 30, 1938 is 441.
Point 31, 1939 is 449.
Point 32, 1940 is 439.
Point 33, 1941 is 455.
Point 34, 1942 is 438.
Point 35, 1943 is 442.
Point 36, 1944 is 441.
Point 37, 1945 is 433.
Point 38, 1946 is 427.
Point 39, 1947 is 434.
Point 40, 1948 is 413.
Point 41, 1949 is 414.
Point 42, 1950 is 416.
Point 43, 1951 is 405.
Point 44, 1952 is 403.
Point 45, 1953 is 399.
Point 46, 1954 is 390.
Point 47, 1955 is 390.
Point 48, 1956 is 390.
Point 49, 1957 is 384.
Point 50, 1958 is 387.
Point 51, 1959 is 387.
Point 52, 1960 is 388.
Point 53, 1961 is 387.
Point 54, 1962 is 387.
Point 55, 1963 is 386.
Point 56, 1964 is 385.
Point 57, 1965 is 385.
Point 58, 1966 is 388.
Point 59, 1967 is 391.
Point 60, 1968 is 394.
Point 61, 1969 is 397.
Point 62, 1970 is 401.
Point 63, 1971 is 401.
Point 64, 1972 is 395.
Point 65, 1973 is 401.
Point 66, 1974 is 395.
Point 67, 1975 is 395.
Point 68, 1976 is 409.
Point 69, 1977 is 418.
Point 70, 1978 is 405.
Point 71, 1979 is 406.
Point 72, 1980 is 408.
Point 73, 1981 is 416.
Point 74, 1982 is 413.
Point 75, 1983 is 409.
Point 76, 1984 is 416.
Point 77, 1985 is 432.
Point 78, 1986 is 436.
Point 79, 1987 is 448.
Point 80, 1988 is 454.
Point 81, 1989 is 452.
Point 82, 1990 is 468.
Point 83, 1991 is 470.
Point 84, 1992 is 473.
Point 85, 1993 is 483.
Point 86, 1994 is 490.
Point 87, 1995 is 490.
Point 88, 1996 is 500.
Point 89, 1997 is 503.
Point 90, 1998 is 504.
Point 91, 1999 is 506.
Point 92, 2000 is 505.
Point 93, 2001 is 500.
Point 94, 2002 is 495.
Point 95, 2003 is 492.
Point 96, 2004 is 491.
Point 97, 2005 is 488.
Point 98, 2006 is 485.
Point 99, 2007 is 480.
Point 100, 2008 is 478.
Point 101, 2009 is 471.
Point 102, 2010 is 474.

Line 2, Protein.
Point 1, 1909 is 101.
Point 2, 1910 is 99.
Point 3, 1911 is 98.
Point 4, 1912 is 98.
Point 5, 1913 is 97.
Point 6, 1914 is 95.
Point 7, 1915 is 94.
Point 8, 1916 is 93.
Point 9, 1917 is 92.
Point 10, 1918 is 94.
Point 11, 1919 is 93.
Point 12, 1920 is 91.
Point 13, 1921 is 88.
Point 14, 1922 is 92.
Point 15, 1923 is 94.
Point 16, 1924 is 94.
Point 17, 1925 is 93.
Point 18, 1926 is 93.
Point 19, 1927 is 94.
Point 20, 1928 is 93.
Point 21, 1929 is 93.
Point 22, 1930 is 91.
Point 23, 1931 is 91.
Point 24, 1932 is 90.
Point 25, 1933 is 89.
Point 26, 1934 is 89.
Point 27, 1935 is 86.
Point 28, 1936 is 90.
Point 29, 1937 is 89.
Point 30, 1938 is 89.
Point 31, 1939 is 91.
Point 32, 1940 is 92.
Point 33, 1941 is 94.
Point 34, 1942 is 98.
Point 35, 1943 is 102.
Point 36, 1944 is 102.
Point 37, 1945 is 105.
Point 38, 1946 is 103.
Point 39, 1947 is 98.
Point 40, 1948 is 94.
Point 41, 1949 is 94.
Point 42, 1950 is 94.
Point 43, 1951 is 93.
Point 44, 1952 is 94.
Point 45, 1953 is 94.
Point 46, 1954 is 93.
Point 47, 1955 is 93.
Point 48, 1956 is 95.
Point 49, 1957 is 93.
Point 50, 1958 is 92.
Point 51, 1959 is 93.
Point 52, 1960 is 92.
Point 53, 1961 is 93.
Point 54, 1962 is 92.
Point 55, 1963 is 93.
Point 56, 1964 is 94.
Point 57, 1965 is 93.
Point 58, 1966 is 94.
Point 59, 1967 is 95.
Point 60, 1968 is 96.
Point 61, 1969 is 96.
Point 62, 1970 is 98.
Point 63, 1971 is 99.
Point 64, 1972 is 98.
Point 65, 1973 is 96.
Point 66, 1974 is 97.
Point 67, 1975 is 111.
Point 68, 1976 is 116.
Point 69, 1977 is 117.
Point 70, 1978 is 113.
Point 71, 1979 is 112.
Point 72, 1980 is 111.
Point 73, 1981 is 113.
Point 74, 1982 is 113.
Point 75, 1983 is 113.
Point 76, 1984 is 114.
Point 77, 1985 is 117.
Point 78, 1986 is 118.
Point 79, 1987 is 117.
Point 80, 1988 is 118.
Point 81, 1989 is 117.
Point 82, 1990 is 118.
Point 83, 1991 is 119.
Point 84, 1992 is 120.
Point 85, 1993 is 120.
Point 86, 1994 is 122.
Point 87, 1995 is 121.
Point 88, 1996 is 122.
Point 89, 1997 is 121.
Point 90, 1998 is 122.
Point 91, 1999 is 124.
Point 92, 2000 is 124.
Point 93, 2001 is 122.
Point 94, 2002 is 123.
Point 95, 2003 is 124.
Point 96, 2004 is 125.
Point 97, 2005 is 123.
Point 98, 2006 is 124.
Point 99, 2007 is 123.
Point 100, 2008 is 121.
Point 101, 2009 is 120.
Point 102, 2010 is 120.

Line 3, Fat.
Point 1, 1909 is 119.
Point 2, 1910 is 117.
Point 3, 1911 is 118.
Point 4, 1912 is 115.
Point 5, 1913 is 116.
Point 6, 1914 is 118.
Point 7, 1915 is 117.
Point 8, 1916 is 117.
Point 9, 1917 is 113.
Point 10, 1918 is 121.
Point 11, 1919 is 120.
Point 12, 1920 is 115.
Point 13, 1921 is 114.
Point 14, 1922 is 121.
Point 15, 1923 is 127.
Point 16, 1924 is 128.
Point 17, 1925 is 129.
Point 18, 1926 is 129.
Point 19, 1927 is 129.
Point 20, 1928 is 129.
Point 21, 1929 is 131.
Point 22, 1930 is 129.
Point 23, 1931 is 129.
Point 24, 1932 is 126.
Point 25, 1933 is 126.
Point 26, 1934 is 129.
Point 27, 1935 is 122.
Point 28, 1936 is 129.
Point 29, 1937 is 128.
Point 30, 1938 is 128.
Point 31, 1939 is 133.
Point 32, 1940 is 136.
Point 33, 1941 is 139.
Point 34, 1942 is 138.
Point 35, 1943 is 139.
Point 36, 1944 is 140.
Point 37, 1945 is 137.
Point 38, 1946 is 138.
Point 39, 1947 is 138.
Point 40, 1948 is 135.
Point 41, 1949 is 134.
Point 42, 1950 is 139.
Point 43, 1951 is 134.
Point 44, 1952 is 137.
Point 45, 1953 is 136.
Point 46, 1954 is 136.
Point 47, 1955 is 140.
Point 48, 1956 is 141.
Point 49, 1957 is 137.
Point 50, 1958 is 136.
Point 51, 1959 is 140.
Point 52, 1960 is 138.
Point 53, 1961 is 138.
Point 54, 1962 is 139.
Point 55, 1963 is 140.
Point 56, 1964 is 143.
Point 57, 1965 is 142.
Point 58, 1966 is 145.
Point 59, 1967 is 146.
Point 60, 1968 is 150.
Point 61, 1969 is 149.
Point 62, 1970 is 147.
Point 63, 1971 is 147.
Point 64, 1972 is 148.
Point 65, 1973 is 144.
Point 66, 1974 is 146.
Point 67, 1975 is 160.
Point 68, 1976 is 166.
Point 69, 1977 is 163.
Point 70, 1978 is 163.
Point 71, 1979 is 162.
Point 72, 1980 is 162.
Point 73, 1981 is 162.
Point 74, 1982 is 162.
Point 75, 1983 is 166.
Point 76, 1984 is 170.
Point 77, 1985 is 176.
Point 78, 1986 is 177.
Point 79, 1987 is 174.
Point 80, 1988 is 175.
Point 81, 1989 is 169.
Point 82, 1990 is 167.
Point 83, 1991 is 164.
Point 84, 1992 is 168.
Point 85, 1993 is 172.
Point 86, 1994 is 170.
Point 87, 1995 is 168.
Point 88, 1996 is 166.
Point 89, 1997 is 165.
Point 90, 1998 is 167.
Point 91, 1999 is 173.
Point 92, 2000 is 191.
Point 93, 2001 is 192.
Point 94, 2002 is 199.
Point 95, 2003 is 202.
Point 96, 2004 is 202.
Point 97, 2005 is 194.
Point 98, 2006 is 196.
Point 99, 2007 is 196.
Point 100, 2008 is 194.
Point 101, 2009 is 185.
Point 102, 2010 is 190.

Line 4, Dietary fiber.
Point 1, 1909 is 29.
Point 2, 1910 is 29.
Point 3, 1911 is 28.
Point 4, 1912 is 28.
Point 5, 1913 is 28.
Point 6, 1914 is 27.
Point 7, 1915 is 28.
Point 8, 1916 is 27.
Point 9, 1917 is 28.
Point 10, 1918 is 27.
Point 11, 1919 is 27.
Point 12, 1920 is 26.
Point 13, 1921 is 25.
Point 14, 1922 is 26.
Point 15, 1923 is 27.
Point 16, 1924 is 26.
Point 17, 1925 is 26.
Point 18, 1926 is 26.
Point 19, 1927 is 26.
Point 20, 1928 is 26.
Point 21, 1929 is 27.
Point 22, 1930 is 26.
Point 23, 1931 is 26.
Point 24, 1932 is 25.
Point 25, 1933 is 25.
Point 26, 1934 is 25.
Point 27, 1935 is 26.
Point 28, 1936 is 26.
Point 29, 1937 is 25.
Point 30, 1938 is 25.
Point 31, 1939 is 26.
Point 32, 1940 is 25.
Point 33, 1941 is 25.
Point 34, 1942 is 26.
Point 35, 1943 is 26.
Point 36, 1944 is 26.
Point 37, 1945 is 26.
Point 38, 1946 is 25.
Point 39, 1947 is 23.
Point 40, 1948 is 22.
Point 41, 1949 is 22.
Point 42, 1950 is 22.
Point 43, 1951 is 21.
Point 44, 1952 is 21.
Point 45, 1953 is 20.
Point 46, 1954 is 20.
Point 47, 1955 is 20.
Point 48, 1956 is 20.
Point 49, 1957 is 20.
Point 50, 1958 is 19.
Point 51, 1959 is 20.
Point 52, 1960 is 19.
Point 53, 1961 is 19.
Point 54, 1962 is 19.
Point 55, 1963 is 19.
Point 56, 1964 is 18.
Point 57, 1965 is 18.
Point 58, 1966 is 19.
Point 59, 1967 is 19.
Point 60, 1968 is 19.
Point 61, 1969 is 19.
Point 62, 1970 is 19.
Point 63, 1971 is 19.
Point 64, 1972 is 19.
Point 65, 1973 is 20.
Point 66, 1974 is 19.
Point 67, 1975 is 20.
Point 68, 1976 is 20.
Point 69, 1977 is 22.
Point 70, 1978 is 20.
Point 71, 1979 is 20.
Point 72, 1980 is 20.
Point 73, 1981 is 22.
Point 74, 1982 is 22.
Point 75, 1983 is 21.
Point 76, 1984 is 21.
Point 77, 1985 is 22.
Point 78, 1986 is 22.
Point 79, 1987 is 22.
Point 80, 1988 is 23.
Point 81, 1989 is 23.
Point 82, 1990 is 24.
Point 83, 1991 is 24.
Point 84, 1992 is 24.
Point 85, 1993 is 24.
Point 86, 1994 is 24.
Point 87, 1995 is 24.
Point 88, 1996 is 25.
Point 89, 1997 is 25.
Point 90, 1998 is 24.
Point 91, 1999 is 25.
Point 92, 2000 is 25.
Point 93, 2001 is 24.
Point 94, 2002 is 24.
Point 95, 2003 is 24.
Point 96, 2004 is 25.
Point 97, 2005 is 25.
Point 98, 2006 is 25.
Point 99, 2007 is 24.
Point 100, 2008 is 24.
Point 101, 2009 is 24.
Point 102, 2010 is 25.

Source: Compiled by ERS using data from USDA, Center for Nutrition Policy and Promotion (see Nutrient Availability Documentation). Data as of February 2015.