|
| year | consumption | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | | NA |
| 1988 | | NA |
| 1989 | | NA |
| 1990 | | NA |
| 1991 | | NA |
| 1992 | | NA |
| 1993 | | NA |
| 1994 | | NA |
| 1995 | | NA |
| 1996 | | NA |
| 1997 | | NA |
| 1998 | | NA |
| 1999 | | NA |
| 2000 | .02 | NA |
| 2001 | .02 | 0.27 % |
| 2002 | .02 | 0.00 % |
| 2003 | .02 | 0.00 % |
| 2004 | .27 | 1,395.62 % |
| 2005 | .29 | 6.96 % |
| 2006 | .73 | 149.99 % |
| 2007 | .62 | -15.00 % |
| 2008 | .60 | -3.82 % |
| 2009 | .73 | 22.32 % |
| 2010 | .73 | 0.00 % |
|
|