|
| year | consumption | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | | NA |
| 1988 | | NA |
| 1989 | | NA |
| 1990 | | NA |
| 1991 | | NA |
| 1992 | .21 | NA |
| 1993 | .32 | 50.41 % |
| 1994 | .23 | -26.67 % |
| 1995 | .21 | -9.09 % |
| 1996 | .08 | -60.11 % |
| 1997 | .08 | 0.27 % |
| 1998 | .04 | -50.01 % |
| 1999 | .06 | 50.01 % |
| 2000 | .17 | 165.95 % |
| 2001 | | NA |
| 2002 | | NA |
| 2003 | | NA |
| 2004 | .06 | NA |
| 2005 | .17 | 167.39 % |
| 2006 | .08 | -50.00 % |
| 2007 | | NA |
| 2008 | .11 | NA |
| 2009 | | NA |
| 2010 | | NA |
|
|
