Line graph with 4 lines and 23 points per line.

Percent change in the annual consumer price index (CPI) by product group, 1990-2012
Motor fuel and energy prices show much greater volatility over time than retail food and personal care service prices

Percent
Line 1, Motor fuel.
Point 1, 1990 is 14.1.
Point 2, 1991 is -1.8.
Point 3, 1992 is -0.2.
Point 4, 1993 is -1.3.
Point 5, 1994 is 0.5.
Point 6, 1995 is 1.6.
Point 7, 1996 is 6.1.
Point 8, 1997 is -0.1.
Point 9, 1998 is -13.4.
Point 10, 1999 is 9.3.
Point 11, 2000 is 28.5.
Point 12, 2001 is -3.6.
Point 13, 2002 is -6.5.
Point 14, 2003 is 16.5.
Point 15, 2004 is 18.2.
Point 16, 2005 is 21.9.
Point 17, 2006 is 12.9.
Point 18, 2007 is 8.2.
Point 19, 2008 is 16.6.
Point 20, 2009 is -27.4.
Point 21, 2010 is 18.4.
Point 22, 2011 is 26.5.
Point 23, 2012 is 3.3.
Line 2, Food.
Point 1, 1990 is 5.8.
Point 2, 1991 is 2.9.
Point 3, 1992 is 1.2.
Point 4, 1993 is 2.2.
Point 5, 1994 is 2.4.
Point 6, 1995 is 2.8.
Point 7, 1996 is 3.3.
Point 8, 1997 is 2.6.
Point 9, 1998 is 2.2.
Point 10, 1999 is 2.1.
Point 11, 2000 is 2.3.
Point 12, 2001 is 3.2.
Point 13, 2002 is 1.8.
Point 14, 2003 is 2.2.
Point 15, 2004 is 3.4.
Point 16, 2005 is 2.4.
Point 17, 2006 is 2.4.
Point 18, 2007 is 4.
Point 19, 2008 is 5.5.
Point 20, 2009 is 1.8.
Point 21, 2010 is 0.8.
Point 22, 2011 is 3.7.
Point 23, 2012 is 2.6.
Line 3, Household energy.
Point 1, 1990 is 3.6.
Point 2, 1991 is 2.1.
Point 3, 1992 is 1.3.
Point 4, 1993 is 2.9.
Point 5, 1994 is 0.4.
Point 6, 1995 is -0.2.
Point 7, 1996 is 3.3.
Point 8, 1997 is 2.3.
Point 9, 1998 is -3.6.
Point 10, 1999 is -0.2.
Point 11, 2000 is 8.2.
Point 12, 2001 is 10.3.
Point 13, 2002 is -6.1.
Point 14, 2003 is 8.6.
Point 15, 2004 is 4.5.
Point 16, 2005 is 11.9.
Point 17, 2006 is 9.6.
Point 18, 2007 is 2.6.
Point 19, 2008 is 10.5.
Point 20, 2009 is -6.3.
Point 21, 2010 is 0.6.
Point 22, 2011 is 2.3.
Point 23, 2012 is -2.2.
Line 4, Personal care services.
Point 1, 1990 is 4.7.
Point 2, 1991 is 3.2.
Point 3, 1992 is 2.2.
Point 4, 1993 is 2.9.
Point 5, 1994 is 2.7.
Point 6, 1995 is 2.4.
Point 7, 1996 is 3.4.
Point 8, 1997 is 3.7.
Point 9, 1998 is 2.2.
Point 10, 1999 is 3.3.
Point 11, 2000 is 3.9.
Point 12, 2001 is 3.5.
Point 13, 2002 is 2.2.
Point 14, 2003 is 2.5.
Point 15, 2004 is 2.3.
Point 16, 2005 is 3.2.
Point 17, 2006 is 2.8.
Point 18, 2007 is 3.3.
Point 19, 2008 is 3.3.
Point 20, 2009 is 1.8.
Point 21, 2010 is 0.9.
Point 22, 2011 is 0.5.
Point 23, 2012 is 1.5.

Source: Calculated by ERS, USDA based on Bureau of Labor Statistics (BLS) data.