|
| year | consumption | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | .05 | NA |
| 1988 | .34 | 528.33 % |
| 1989 | | NA |
| 1990 | | NA |
| 1991 | .01 | NA |
| 1992 | .02 | 249.54 % |
| 1993 | | NA |
| 1994 | | NA |
| 1995 | .60 | NA |
| 1996 | | NA |
| 1997 | .82 | NA |
| 1998 | 1.23 | 50.00 % |
| 1999 | | NA |
| 2000 | .00 | NA |
| 2001 | .00 | -27.42 % |
| 2002 | 3.61 | 137,827.50 % |
| 2003 | 4.97 | 37.60 % |
| 2004 | 2.77 | -44.39 % |
| 2005 | 2.64 | -4.58 % |
| 2006 | 1.97 | -25.44 % |
| 2007 | 2.53 | 28.55 % |
| 2008 | 2.40 | -5.09 % |
| 2009 | 3.36 | 40.18 % |
| 2010 | | NA |
|
|