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year | consumption | change |
1980 | .71 | NA |
1981 | .83 | 16.36 % |
1982 | .92 | 11.52 % |
1983 | 1.06 | 14.67 % |
1984 | 1.15 | 9.38 % |
1985 | 1.22 | 5.55 % |
1986 | 1.25 | 2.38 % |
1987 | 1.30 | 3.93 % |
1988 | 1.31 | 1.08 % |
1989 | 1.35 | 3.36 % |
1990 | 1.44 | 5.98 % |
1991 | 1.43 | -0.07 % |
1992 | 1.43 | -0.35 % |
1993 | 1.51 | 5.74 % |
1994 | 1.56 | 3.44 % |
1995 | 1.60 | 2.30 % |
1996 | 1.74 | 8.63 % |
1997 | 1.80 | 3.57 % |
1998 | 1.86 | 3.17 % |
1999 | 1.93 | 4.04 % |
2000 | 2.02 | 4.45 % |
2001 | 2.24 | 10.91 % |
2002 | 2.27 | 1.43 % |
2003 | 2.44 | 7.67 % |
2004 | 2.60 | 6.22 % |
2005 | 2.76 | 6.28 % |
2006 | 2.60 | -5.62 % |
2007 | 2.76 | 5.88 % |
2008 | 3.13 | 13.68 % |
2009 | 3.19 | 1.76 % |
2010 | 3.23 | 1.41 % |
2011 | 3.41 | 5.32 % |
2012 | 3.67 | 7.84 % |
2013 | 3.56 | -3.02 % |
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