|
| year | consumption | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | .74 | NA |
| 1988 | .65 | -11.86 % |
| 1989 | .01 | -98.14 % |
| 1990 | .53 | 4,328.94 % |
| 1991 | .73 | 36.67 % |
| 1992 | .71 | -2.95 % |
| 1993 | .57 | -19.88 % |
| 1994 | .56 | -0.48 % |
| 1995 | | NA |
| 1996 | | NA |
| 1997 | .05 | NA |
| 1998 | 1.26 | 2,594.83 % |
| 1999 | .13 | -89.65 % |
| 2000 | .11 | -16.90 % |
| 2001 | .11 | 0.28 % |
| 2002 | .07 | -40.00 % |
| 2003 | .02 | -66.66 % |
| 2004 | .07 | 199.13 % |
| 2005 | .50 | 668.77 % |
| 2006 | 1.24 | 147.82 % |
| 2007 | 1.46 | 17.54 % |
| 2008 | 1.49 | 2.09 % |
| 2009 | 1.50 | 0.88 % |
| 2010 | 1.65 | 10.14 % |
|
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