|
| year | consumption | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .10 | NA |
| 1987 | .10 | 0.00 % |
| 1988 | .10 | -0.27 % |
| 1989 | .10 | 0.27 % |
| 1990 | .13 | 33.33 % |
| 1991 | .38 | 200.00 % |
| 1992 | .35 | -8.58 % |
| 1993 | .22 | -36.19 % |
| 1994 | .32 | 42.86 % |
| 1995 | .32 | 0.00 % |
| 1996 | .32 | -0.27 % |
| 1997 | .32 | 0.27 % |
| 1998 | .32 | 0.00 % |
| 1999 | .32 | 0.00 % |
| 2000 | .32 | -0.27 % |
| 2001 | .32 | 0.27 % |
| 2002 | .32 | 0.00 % |
| 2003 | .38 | 20.00 % |
| 2004 | .38 | -0.27 % |
| 2005 | .32 | -16.44 % |
| 2006 | .41 | 30.00 % |
| 2007 | .16 | -61.54 % |
| 2008 | .13 | -20.00 % |
| 2009 | .10 | -25.00 % |
| 2010 | .10 | 0.00 % |
|
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