|
| year | consumption | change |
| 1980 | 864.21 | NA |
| 1981 | 1,367.97 | 58.29 % |
| 1982 | 1,535.52 | 12.25 % |
| 1983 | 1,075.86 | -29.94 % |
| 1984 | 1,076.96 | 0.10 % |
| 1985 | 1,096.80 | 1.84 % |
| 1986 | 1,213.65 | 10.65 % |
| 1987 | 1,394.42 | 14.90 % |
| 1988 | 1,230.18 | -11.78 % |
| 1989 | 1,372.38 | 11.56 % |
| 1990 | 1,606.07 | 17.03 % |
| 1991 | 1,287.47 | -19.84 % |
| 1992 | 1,248.42 | -3.03 % |
| 1993 | 1,632.67 | 30.78 % |
| 1994 | 1,719.73 | 5.33 % |
| 1995 | 1,184.99 | -31.09 % |
| 1996 | 1,639.14 | 38.33 % |
| 1997 | 1,373.48 | -16.21 % |
| 1998 | 1,340.41 | -2.41 % |
| 1999 | 1,208.13 | -9.87 % |
| 2000 | 1,515.68 | 25.46 % |
| 2001 | 1,295.22 | -14.55 % |
| 2002 | 1,420.88 | 9.70 % |
| 2003 | 1,472.69 | 3.65 % |
| 2004 | 1,502.45 | 2.02 % |
| 2005 | 1,468.28 | -2.27 % |
| 2006 | 1,435.21 | -2.25 % |
| 2007 | 1,404.35 | -2.15 % |
| 2008 | 1,373.48 | -2.20 % |
| 2009 | 1,350.33 | -1.69 % |
| 2010 | 1,316.16 | -2.53 % |
| 2011 | 1,316.16 | 0.00 % |
|
|
