|
| year | consumption | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .27 | NA |
| 1987 | .29 | 6.67 % |
| 1988 | 3.20 | 997.14 % |
| 1989 | .65 | -79.72 % |
| 1990 | .23 | -64.29 % |
| 1991 | .36 | 57.37 % |
| 1992 | .36 | -0.27 % |
| 1993 | .40 | 10.30 % |
| 1994 | .36 | -9.09 % |
| 1995 | .46 | 25.00 % |
| 1996 | .45 | -0.27 % |
| 1997 | .46 | 0.27 % |
| 1998 | .22 | -52.00 % |
| 1999 | .22 | 0.00 % |
| 2000 | .25 | 16.35 % |
| 2001 | .29 | 14.60 % |
| 2002 | .29 | 0.00 % |
| 2003 | .47 | 62.50 % |
| 2004 | .42 | -11.78 % |
| 2005 | .27 | -34.60 % |
| 2006 | .31 | 13.33 % |
| 2007 | .02 | -94.12 % |
| 2008 | .02 | 0.00 % |
| 2009 | | NA |
| 2010 | | NA |
|
|
