|
| year | consumption | change |
| 1984 | 1,836.90 | NA |
| 1985 | 1,909.24 | 3.94 % |
| 1986 | 2,651.37 | 38.87 % |
| 1987 | 3,202.43 | 20.78 % |
| 1988 | 3,500.66 | 9.31 % |
| 1989 | 3,678.70 | 5.09 % |
| 1990 | 3,673.75 | -0.13 % |
| 1991 | 3,648.31 | -0.69 % |
| 1992 | 3,650.48 | 0.06 % |
| 1993 | 3,713.36 | 1.72 % |
| 1994 | 3,832.19 | 3.20 % |
| 1995 | 3,952.08 | 3.13 % |
| 1996 | 4,082.53 | 3.30 % |
| 1997 | 4,146.05 | 1.56 % |
| 1998 | 4,257.42 | 2.69 % |
| 1999 | 4,372.38 | 2.70 % |
| 2000 | 4,545.94 | 3.97 % |
| 2001 | 4,503.90 | -0.92 % |
| 2002 | 4,494.53 | -0.21 % |
| 2003 | 4,534.77 | 0.90 % |
| 2004 | 4,830.43 | 6.52 % |
| 2005 | 5,041.96 | 4.38 % |
| 2006 | 5,188.85 | 2.91 % |
| 2007 | 5,249.27 | 1.16 % |
| 2008 | 5,267.83 | 0.35 % |
| 2009 | 4,979.51 | -5.47 % |
| 2010 | 5,219.51 | 4.82 % |
|
|
