|
| year | consumption | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | | NA |
| 1988 | | NA |
| 1989 | | NA |
| 1990 | | NA |
| 1991 | | NA |
| 1992 | 33.79 | NA |
| 1993 | 19.06 | -43.60 % |
| 1994 | 6.99 | -63.33 % |
| 1995 | 3.18 | -54.55 % |
| 1996 | .34 | -89.36 % |
| 1997 | .51 | 50.41 % |
| 1998 | .76 | 50.00 % |
| 1999 | .06 | -91.67 % |
| 2000 | .25 | 298.93 % |
| 2001 | .17 | -33.15 % |
| 2002 | .11 | -37.50 % |
| 2003 | .25 | 140.00 % |
| 2004 | .08 | -66.76 % |
| 2005 | .85 | 902.75 % |
| 2006 | .13 | -85.00 % |
| 2007 | .15 | 16.67 % |
| 2008 | .15 | 0.00 % |
| 2009 | .19 | 28.57 % |
| 2010 | | NA |
|
|
