|
| year | consumption | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | | NA |
| 1988 | | NA |
| 1989 | | NA |
| 1990 | | NA |
| 1991 | | NA |
| 1992 | .75 | NA |
| 1993 | .04 | -94.60 % |
| 1994 | .08 | 97.73 % |
| 1995 | .04 | -50.00 % |
| 1996 | .48 | 1,100.00 % |
| 1997 | 1.34 | 178.22 % |
| 1998 | 1.05 | -21.22 % |
| 1999 | 3.08 | 193.17 % |
| 2000 | 3.08 | -0.20 % |
| 2001 | .57 | -81.57 % |
| 2002 | .80 | 40.14 % |
| 2003 | .51 | -35.97 % |
| 2004 | .48 | -6.49 % |
| 2005 | .80 | 67.04 % |
| 2006 | .89 | 11.95 % |
| 2007 | 1.24 | 39.24 % |
| 2008 | 1.49 | 20.51 % |
| 2009 | 1.49 | 0.02 % |
| 2010 | 1.49 | -0.02 % |
|
|
