|
| year | consumption | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .00 | NA |
| 1987 | .00 | 334.33 % |
| 1988 | | NA |
| 1989 | | NA |
| 1990 | | NA |
| 1991 | | NA |
| 1992 | | NA |
| 1993 | | NA |
| 1994 | | NA |
| 1995 | | NA |
| 1996 | | NA |
| 1997 | .04 | NA |
| 1998 | .04 | 0.00 % |
| 1999 | .04 | 0.00 % |
| 2000 | .04 | -0.27 % |
| 2001 | .11 | 205.41 % |
| 2002 | .11 | 0.00 % |
| 2003 | .11 | -1.49 % |
| 2004 | .13 | 16.35 % |
| 2005 | .07 | -42.70 % |
| 2006 | .07 | 0.00 % |
| 2007 | .07 | 0.00 % |
| 2008 | .16 | 124.99 % |
| 2009 | .16 | 0.00 % |
| 2010 | .18 | 11.11 % |
|
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