|
| year | consumption | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | | NA |
| 1988 | | NA |
| 1989 | | NA |
| 1990 | | NA |
| 1991 | | NA |
| 1992 | 28.09 | NA |
| 1993 | 7.20 | -74.38 % |
| 1994 | 5.33 | -25.94 % |
| 1995 | 41.19 | 672.81 % |
| 1996 | 54.30 | 31.82 % |
| 1997 | 50.69 | -6.66 % |
| 1998 | 47.58 | -6.12 % |
| 1999 | 42.39 | -10.91 % |
| 2000 | 39.86 | -5.97 % |
| 2001 | 9.82 | -75.37 % |
| 2002 | 14.76 | 50.31 % |
| 2003 | 15.85 | 7.43 % |
| 2004 | 15.92 | 0.44 % |
| 2005 | 16.39 | 2.95 % |
| 2006 | 21.36 | 30.28 % |
| 2007 | 32.27 | 51.11 % |
| 2008 | 22.72 | -29.59 % |
| 2009 | 25.49 | 12.15 % |
| 2010 | 23.71 | -6.96 % |
|
|
