|
| year | consumption | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 293.96 | NA |
| 1987 | 285.29 | -2.95 % |
| 1988 | 293.40 | 2.84 % |
| 1989 | 292.00 | -0.48 % |
| 1990 | 266.77 | -8.64 % |
| 1991 | 237.51 | -10.97 % |
| 1992 | 230.47 | -2.96 % |
| 1993 | 188.69 | -18.13 % |
| 1994 | 175.18 | -7.16 % |
| 1995 | 98.00 | -44.06 % |
| 1996 | 97.34 | -0.67 % |
| 1997 | 125.95 | 29.40 % |
| 1998 | 163.21 | 29.58 % |
| 1999 | 215.02 | 31.74 % |
| 2000 | 182.80 | -14.98 % |
| 2001 | 224.75 | 22.95 % |
| 2002 | 213.64 | -4.94 % |
| 2003 | 205.15 | -3.98 % |
| 2004 | 313.46 | 52.80 % |
| 2005 | 299.54 | -4.44 % |
| 2006 | 327.07 | 9.19 % |
| 2007 | 350.63 | 7.20 % |
| 2008 | 364.71 | 4.02 % |
| 2009 | 275.54 | -24.45 % |
| 2010 | 285.03 | 3.44 % |
|
|
