|
| year | consumption | change |
| 1980 | 7,823.10 | NA |
| 1981 | 8,287.18 | 5.93 % |
| 1982 | 7,655.55 | -7.62 % |
| 1983 | 7,842.95 | 2.45 % |
| 1984 | 9,095.17 | 15.97 % |
| 1985 | 9,089.66 | -0.06 % |
| 1986 | 7,497.92 | -17.51 % |
| 1987 | 7,568.47 | 0.94 % |
| 1988 | 7,020.62 | -7.24 % |
| 1989 | 7,058.10 | 0.53 % |
| 1990 | 8,076.64 | 14.43 % |
| 1991 | 8,560.55 | 5.99 % |
| 1992 | 6,186.17 | -27.74 % |
| 1993 | 5,597.54 | -9.52 % |
| 1994 | 5,610.77 | 0.24 % |
| 1995 | 6,796.85 | 21.14 % |
| 1996 | 6,677.80 | -1.75 % |
| 1997 | 6,824.41 | 2.20 % |
| 1998 | 5,799.26 | -15.02 % |
| 1999 | 6,268.85 | 8.10 % |
| 2000 | 6,743.94 | 7.58 % |
| 2001 | 7,103.29 | 5.33 % |
| 2002 | 7,206.91 | 1.46 % |
| 2003 | 7,700.75 | 6.85 % |
| 2004 | 7,187.07 | -6.67 % |
| 2005 | 7,284.07 | 1.35 % |
| 2006 | 6,944.56 | -4.66 % |
| 2007 | 6,168.53 | -11.17 % |
| 2008 | 5,878.63 | -4.70 % |
| 2009 | 4,540.42 | -22.76 % |
| 2010 | 5,425.58 | 19.50 % |
| 2011 | 5,643.83 | 4.02 % |
|
|
