|
| year | consumption | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | | NA |
| 1988 | | NA |
| 1989 | | NA |
| 1990 | | NA |
| 1991 | | NA |
| 1992 | | NA |
| 1993 | | NA |
| 1994 | | NA |
| 1995 | .64 | NA |
| 1996 | .70 | 10.00 % |
| 1997 | .86 | 22.73 % |
| 1998 | .89 | 3.70 % |
| 1999 | .54 | -39.29 % |
| 2000 | 1.11 | 105.32 % |
| 2001 | 1.56 | 40.38 % |
| 2002 | 1.56 | 0.00 % |
| 2003 | 1.65 | 6.12 % |
| 2004 | 1.71 | 3.56 % |
| 2005 | 1.88 | 9.56 % |
| 2006 | 1.62 | -13.56 % |
| 2007 | 1.72 | 5.88 % |
| 2008 | 1.78 | 3.70 % |
| 2009 | 1.68 | -5.33 % |
| 2010 | 2.13 | 26.41 % |
|
|
