|
| year | consumption | change |
| 1980 | 97,571.09 | NA |
| 1981 | 105,750.00 | 8.38 % |
| 1982 | 103,736.90 | -1.90 % |
| 1983 | 99,055.81 | -4.51 % |
| 1984 | 111,415.00 | 12.48 % |
| 1985 | 117,477.70 | 5.44 % |
| 1986 | 107,358.50 | -8.61 % |
| 1987 | 109,900.50 | 2.37 % |
| 1988 | 122,407.30 | 11.38 % |
| 1989 | 122,564.90 | 0.13 % |
| 1990 | 126,610.40 | 3.30 % |
| 1991 | 128,773.10 | 1.71 % |
| 1992 | 125,305.20 | -2.69 % |
| 1993 | 126,749.30 | 1.15 % |
| 1994 | 136,316.20 | 7.55 % |
| 1995 | 140,763.00 | 3.26 % |
| 1996 | 142,223.50 | 1.04 % |
| 1997 | 148,322.60 | 4.29 % |
| 1998 | 140,576.70 | -5.22 % |
| 1999 | 153,132.00 | 8.93 % |
| 2000 | 168,798.00 | 10.23 % |
| 2001 | 173,205.10 | 2.61 % |
| 2002 | 179,202.80 | 3.46 % |
| 2003 | 185,306.30 | 3.41 % |
| 2004 | 203,364.30 | 9.74 % |
| 2005 | 196,282.00 | -3.48 % |
| 2006 | 198,108.50 | 0.93 % |
| 2007 | 207,580.70 | 4.78 % |
| 2008 | 203,803.00 | -1.82 % |
| 2009 | 181,496.70 | -10.95 % |
| 2010 | 206,124.50 | 13.57 % |
| 2011 | 192,853.80 | -6.44 % |
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