|
| year | consumption | change |
| 1984 | 581.10 | NA |
| 1985 | 584.57 | 0.60 % |
| 1986 | 618.49 | 5.80 % |
| 1987 | 695.75 | 12.49 % |
| 1988 | 688.17 | -1.09 % |
| 1989 | 683.51 | -0.68 % |
| 1990 | 705.27 | 3.18 % |
| 1991 | 852.61 | 20.89 % |
| 1992 | 1,112.86 | 30.52 % |
| 1993 | 1,021.47 | -8.21 % |
| 1994 | 1,043.66 | 2.17 % |
| 1995 | 1,096.59 | 5.07 % |
| 1996 | 1,103.51 | 0.63 % |
| 1997 | 1,131.03 | 2.49 % |
| 1998 | 1,111.71 | -1.71 % |
| 1999 | 1,160.81 | 4.42 % |
| 2000 | 1,180.96 | 1.74 % |
| 2001 | 1,263.46 | 6.99 % |
| 2002 | 1,277.47 | 1.11 % |
| 2003 | 1,310.67 | 2.60 % |
| 2004 | 1,336.45 | 1.97 % |
| 2005 | 1,377.95 | 3.11 % |
| 2006 | 1,382.31 | 0.32 % |
| 2007 | 1,423.43 | 2.97 % |
| 2008 | 1,568.23 | 10.17 % |
| 2009 | 1,526.85 | -2.64 % |
| 2010 | 1,530.72 | 0.25 % |
|
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