|
| year | consumption | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .02 | NA |
| 1987 | .02 | 16.46 % |
| 1988 | | NA |
| 1989 | | NA |
| 1990 | | NA |
| 1991 | | NA |
| 1992 | | NA |
| 1993 | | NA |
| 1994 | | NA |
| 1995 | | NA |
| 1996 | | NA |
| 1997 | .03 | NA |
| 1998 | | NA |
| 1999 | | NA |
| 2000 | .06 | NA |
| 2001 | .06 | 0.27 % |
| 2002 | .06 | 0.00 % |
| 2003 | .22 | 250.02 % |
| 2004 | .35 | 56.71 % |
| 2005 | .22 | -36.19 % |
| 2006 | .19 | -14.29 % |
| 2007 | .32 | 66.67 % |
| 2008 | .32 | 0.00 % |
| 2009 | .41 | 30.00 % |
| 2010 | .29 | -30.77 % |
|
|
