|
| year | consumption | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 187.24 | NA |
| 1987 | 189.01 | 0.95 % |
| 1988 | 194.56 | 2.93 % |
| 1989 | 210.72 | 8.31 % |
| 1990 | 203.59 | -3.38 % |
| 1991 | 190.81 | -6.28 % |
| 1992 | 203.29 | 6.54 % |
| 1993 | 215.18 | 5.85 % |
| 1994 | 221.76 | 3.06 % |
| 1995 | 232.65 | 4.91 % |
| 1996 | 257.46 | 10.66 % |
| 1997 | 262.40 | 1.92 % |
| 1998 | 260.44 | -0.75 % |
| 1999 | 247.52 | -4.96 % |
| 2000 | 248.08 | 0.23 % |
| 2001 | 216.93 | -12.56 % |
| 2002 | 219.37 | 1.12 % |
| 2003 | 171.50 | -21.82 % |
| 2004 | 188.97 | 10.19 % |
| 2005 | 220.66 | 16.77 % |
| 2006 | 215.15 | -2.50 % |
| 2007 | 205.73 | -4.38 % |
| 2008 | 213.14 | 3.60 % |
| 2009 | 159.50 | -25.16 % |
| 2010 | 210.40 | 31.91 % |
|
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