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year | consumption | change |
1986 | 1.10 | NA |
1987 | .70 | -36.36% |
1988 | .70 | 0.00% |
1989 | .60 | -14.29% |
1990 | .60 | 0.00% |
1991 | .70 | 16.67% |
1992 | 1.20 | 71.43% |
1993 | 1.20 | 0.00% |
1994 | 1.20 | 0.00% |
1995 | 1.50 | 25.00% |
1996 | 1.70 | 13.33% |
1997 | 1.80 | 5.88% |
1998 | 1.90 | 5.56% |
1999 | 1.90 | 0.00% |
2000 | 2.00 | 5.26% |
2001 | 2.00 | 0.00% |
2002 | 2.00 | 0.00% |
2003 | 2.00 | 0.00% |
2004 | 2.30 | 15.00% |
2005 | 2.00 | -13.04% |
2006 | 2.30 | 15.00% |
2007 | 2.30 | 0.00% |
2008 | 2.30 | 0.00% |
2009 | 2.60 | 13.04% |
2010 | 2.60 | 0.00% |
2011 | 2.60 | 0.00% |
2012 | 2.60 | 0.00% |
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