|
| year | consumption | change |
| 1980 | 6,654.65 | NA |
| 1981 | 7,654.45 | 15.02 % |
| 1982 | 6,193.89 | -19.08 % |
| 1983 | 8,596.93 | 38.80 % |
| 1984 | 10,865.48 | 26.39 % |
| 1985 | 10,868.79 | 0.03 % |
| 1986 | 10,975.71 | 0.98 % |
| 1987 | 11,426.56 | 4.11 % |
| 1988 | 13,665.35 | 19.59 % |
| 1989 | 13,852.75 | 1.37 % |
| 1990 | 14,947.34 | 7.90 % |
| 1991 | 13,614.65 | -8.92 % |
| 1992 | 13,358.91 | -1.88 % |
| 1993 | 13,791.02 | 3.23 % |
| 1994 | 15,023.40 | 8.94 % |
| 1995 | 15,631.88 | 4.05 % |
| 1996 | 15,734.39 | 0.66 % |
| 1997 | 15,682.58 | -0.33 % |
| 1998 | 15,807.14 | 0.79 % |
| 1999 | 13,113.10 | -17.04 % |
| 2000 | 14,161.39 | 7.99 % |
| 2001 | 14,751.13 | 4.16 % |
| 2002 | 14,802.94 | 0.35 % |
| 2003 | 15,156.78 | 2.39 % |
| 2004 | 14,925.30 | -1.53 % |
| 2005 | 14,209.90 | -4.79 % |
| 2006 | 13,681.89 | -3.72 % |
| 2007 | 14,858.05 | 8.60 % |
| 2008 | 14,061.08 | -5.36 % |
| 2009 | 13,191.36 | -6.19 % |
| 2010 | 13,247.58 | 0.43 % |
| 2011 | 13,062.39 | -1.40 % |
|
|
