|
| year | consumption | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | | NA |
| 1988 | | NA |
| 1989 | | NA |
| 1990 | | NA |
| 1991 | | NA |
| 1992 | 2.54 | NA |
| 1993 | 1.11 | -56.13 % |
| 1994 | .13 | -88.57 % |
| 1995 | .29 | 125.00 % |
| 1996 | .51 | 77.30 % |
| 1997 | .00 | -99.39 % |
| 1998 | .00 | 38.96 % |
| 1999 | .01 | 19.86 % |
| 2000 | .26 | 4,919.30 % |
| 2001 | .26 | 0.23 % |
| 2002 | .26 | -0.25 % |
| 2003 | .26 | -0.25 % |
| 2004 | .00 | -99.04 % |
| 2005 | .00 | 10.57 % |
| 2006 | .00 | 27.94 % |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | .00 | NA |
| 2010 | | NA |
|
|
