|
| year | consumption | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | .15 | NA |
| 1988 | .15 | 2.61 % |
| 1989 | .16 | 4.28 % |
| 1990 | .19 | 20.44 % |
| 1991 | .32 | 68.61 % |
| 1992 | .24 | -24.97 % |
| 1993 | .17 | -28.92 % |
| 1994 | .15 | -12.50 % |
| 1995 | .22 | 47.85 % |
| 1996 | .37 | 68.27 % |
| 1997 | .21 | -42.58 % |
| 1998 | .25 | 20.00 % |
| 1999 | .38 | 50.01 % |
| 2000 | .25 | -33.52 % |
| 2001 | .10 | -60.87 % |
| 2002 | .23 | 134.93 % |
| 2003 | .28 | 18.18 % |
| 2004 | .53 | 91.78 % |
| 2005 | .11 | -79.95 % |
| 2006 | 4.70 | 4,342.45 % |
| 2007 | .02 | -99.55 % |
| 2008 | .04 | 100.00 % |
| 2009 | .70 | 1,549.86 % |
| 2010 | .49 | -30.30 % |
|
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