|
| year | consumption | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 365.00 | NA |
| 1987 | 393.61 | 7.84 % |
| 1988 | 446.56 | 13.45 % |
| 1989 | 463.60 | 3.82 % |
| 1990 | 454.70 | -1.92 % |
| 1991 | 503.30 | 10.69 % |
| 1992 | 569.93 | 13.24 % |
| 1993 | 682.40 | 19.74 % |
| 1994 | 676.96 | -0.80 % |
| 1995 | 678.55 | 0.24 % |
| 1996 | 707.99 | 4.34 % |
| 1997 | 774.10 | 9.34 % |
| 1998 | 772.96 | -0.15 % |
| 1999 | 787.82 | 1.92 % |
| 2000 | 891.00 | 13.10 % |
| 2001 | 861.70 | -3.29 % |
| 2002 | 876.30 | 1.69 % |
| 2003 | 944.59 | 7.79 % |
| 2004 | 1,090.93 | 15.49 % |
| 2005 | 1,134.02 | 3.95 % |
| 2006 | 1,221.78 | 7.74 % |
| 2007 | 1,285.53 | 5.22 % |
| 2008 | 1,436.69 | 11.76 % |
| 2009 | 1,442.55 | 0.41 % |
| 2010 | 1,615.86 | 12.01 % |
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