|
| year | consumption | change |
| 1980 | | NA |
| 1981 | | NA |
| 1982 | | NA |
| 1983 | | NA |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | | NA |
| 1988 | | NA |
| 1989 | | NA |
| 1990 | | NA |
| 1991 | | NA |
| 1992 | 132,331.40 | NA |
| 1993 | 114,773.80 | -13.27 % |
| 1994 | 92,090.40 | -19.76 % |
| 1995 | 94,668.70 | 2.80 % |
| 1996 | 74,109.49 | -21.72 % |
| 1997 | 71,511.34 | -3.51 % |
| 1998 | 72,537.60 | 1.44 % |
| 1999 | 71,912.59 | -0.86 % |
| 2000 | 72,349.10 | 0.61 % |
| 2001 | 70,000.08 | -3.25 % |
| 2002 | 70,665.88 | 0.95 % |
| 2003 | 77,432.96 | 9.58 % |
| 2004 | 69,248.30 | -10.57 % |
| 2005 | 70,633.91 | 2.00 % |
| 2006 | 76,103.58 | 7.74 % |
| 2007 | 76,964.48 | 1.13 % |
| 2008 | 78,009.47 | 1.36 % |
| 2009 | 64,502.85 | -17.31 % |
| 2010 | 70,866.49 | 9.87 % |
| 2011 | 73,401.81 | 3.58 % |
|
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