|
| year | consumption | change |
| 1980 | | NA |
| 1981 | | NA |
| 1982 | | NA |
| 1983 | 188.50 | NA |
| 1984 | 110.23 | -41.52 % |
| 1985 | 110.23 | 0.00 % |
| 1986 | 255.74 | 132.00 % |
| 1987 | 322.98 | 26.29 % |
| 1988 | 394.63 | 22.18 % |
| 1989 | 328.49 | -16.76 % |
| 1990 | 234.79 | -28.52 % |
| 1991 | 211.64 | -9.86 % |
| 1992 | 169.76 | -19.79 % |
| 1993 | 176.37 | 3.90 % |
| 1994 | 178.57 | 1.25 % |
| 1995 | 181.88 | 1.85 % |
| 1996 | 187.39 | 3.03 % |
| 1997 | 190.70 | 1.76 % |
| 1998 | 192.90 | 1.16 % |
| 1999 | 176.37 | -8.57 % |
| 2000 | 176.37 | 0.00 % |
| 2001 | 170.86 | -3.13 % |
| 2002 | 485.02 | 183.87 % |
| 2003 | 1,521.19 | 213.64 % |
| 2004 | 1,433.01 | -5.80 % |
| 2005 | 1,466.07 | 2.31 % |
| 2006 | 1,653.47 | 12.78 % |
| 2007 | 1,653.47 | 0.00 % |
| 2008 | 1,653.47 | 0.00 % |
| 2009 | 1,653.47 | 0.00 % |
| 2010 | 1,653.47 | 0.00 % |
| 2011 | 1,653.47 | 0.00 % |
|
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