|
| year | consumption | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 3,126.75 | NA |
| 1987 | 3,064.95 | -1.98 % |
| 1988 | 2,817.08 | -8.09 % |
| 1989 | 2,771.85 | -1.61 % |
| 1990 | 2,801.21 | 1.06 % |
| 1991 | 2,795.00 | -0.22 % |
| 1992 | | NA |
| 1993 | | NA |
| 1994 | | NA |
| 1995 | | NA |
| 1996 | | NA |
| 1997 | | NA |
| 1998 | | NA |
| 1999 | | NA |
| 2000 | | NA |
| 2001 | | NA |
| 2002 | | NA |
| 2003 | | NA |
| 2004 | | NA |
| 2005 | | NA |
| 2006 | | NA |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | | NA |
|
|
