|
| year | consumption | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .74 | NA |
| 1987 | .74 | 0.00 % |
| 1988 | .78 | 5.71 % |
| 1989 | .78 | 0.00 % |
| 1990 | .78 | 0.00 % |
| 1991 | .80 | 2.70 % |
| 1992 | .83 | 2.63 % |
| 1993 | .83 | 0.00 % |
| 1994 | .85 | 2.56 % |
| 1995 | .55 | -35.00 % |
| 1996 | .57 | 3.85 % |
| 1997 | .61 | 7.38 % |
| 1998 | .49 | -20.68 % |
| 1999 | .78 | 60.90 % |
| 2000 | .64 | -18.92 % |
| 2001 | .61 | -3.33 % |
| 2002 | .74 | 20.69 % |
| 2003 | .89 | 20.00 % |
| 2004 | 1.00 | 11.90 % |
| 2005 | 1.14 | 14.89 % |
| 2006 | 1.46 | 27.78 % |
| 2007 | 1.48 | 1.45 % |
| 2008 | 1.50 | 1.43 % |
| 2009 | 1.52 | 1.41 % |
| 2010 | 1.65 | 8.33 % |
|
|
