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year | consumption | change |
1992 | 1.40 | NA |
1993 | 1.20 | -14.29 % |
1994 | 1.20 | 0.00 % |
1995 | 1.10 | -8.33 % |
1996 | 1.20 | 9.09 % |
1997 | 2.40 | 100.00 % |
1998 | 2.40 | 0.00 % |
1999 | 2.70 | 12.50 % |
2000 | 2.90 | 7.41 % |
2001 | 2.80 | -3.45 % |
2002 | 2.70 | -3.57 % |
2003 | 2.80 | 3.70 % |
2004 | 2.60 | -7.14 % |
2005 | 2.80 | 7.69 % |
2006 | 2.60 | -7.14 % |
2007 | 2.70 | 3.85 % |
2008 | 2.70 | 0.00 % |
2009 | 2.50 | -7.41 % |
2010 | 2.70 | 8.00 % |
2011 | 2.50 | -7.41 % |
2012 | 2.70 | 8.00 % |
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