|
| year | consumption | change |
| 1984 | 1,948.65 | NA |
| 1985 | 1,973.28 | 1.26 % |
| 1986 | 2,144.62 | 8.68 % |
| 1987 | 2,192.90 | 2.25 % |
| 1988 | 2,244.31 | 2.34 % |
| 1989 | 2,230.30 | -0.62 % |
| 1990 | 2,356.26 | 5.65 % |
| 1991 | 2,273.92 | -3.49 % |
| 1992 | 2,364.47 | 3.98 % |
| 1993 | 2,365.20 | 0.03 % |
| 1994 | 2,396.59 | 1.33 % |
| 1995 | 2,350.46 | -1.92 % |
| 1996 | 2,385.92 | 1.51 % |
| 1997 | 2,515.32 | 5.42 % |
| 1998 | 2,634.22 | 4.73 % |
| 1999 | 2,661.38 | 1.03 % |
| 2000 | 2,557.94 | -3.89 % |
| 2001 | 2,484.45 | -2.87 % |
| 2002 | 2,538.53 | 2.18 % |
| 2003 | 2,581.55 | 1.69 % |
| 2004 | 2,774.16 | 7.46 % |
| 2005 | 2,704.23 | -2.52 % |
| 2006 | 2,721.41 | 0.64 % |
| 2007 | 2,598.42 | -4.52 % |
| 2008 | 2,343.95 | -9.79 % |
| 2009 | 2,095.00 | -10.62 % |
| 2010 | 2,135.21 | 1.92 % |
|
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