|
| year | consumption | change |
| 1984 | 541.62 | NA |
| 1985 | 532.29 | -1.72 % |
| 1986 | 528.74 | -0.67 % |
| 1987 | 546.82 | 3.42 % |
| 1988 | 555.13 | 1.52 % |
| 1989 | 588.17 | 5.95 % |
| 1990 | 551.36 | -6.26 % |
| 1991 | 530.69 | -3.75 % |
| 1992 | 560.93 | 5.70 % |
| 1993 | 551.06 | -1.76 % |
| 1994 | 556.05 | 0.91 % |
| 1995 | 577.73 | 3.90 % |
| 1996 | 552.03 | -4.45 % |
| 1997 | 540.15 | -2.15 % |
| 1998 | 523.93 | -3.00 % |
| 1999 | 470.85 | -10.13 % |
| 2000 | 455.76 | -3.20 % |
| 2001 | 422.99 | -7.19 % |
| 2002 | 450.41 | 6.48 % |
| 2003 | 436.53 | -3.08 % |
| 2004 | 350.15 | -19.79 % |
| 2005 | 303.87 | -13.22 % |
| 2006 | 305.75 | 0.62 % |
| 2007 | 256.71 | -16.04 % |
| 2008 | 212.66 | -17.16 % |
| 2009 | 180.08 | -15.32 % |
| 2010 | 126.44 | -29.79 % |
|
|
