|
Loading...
| year | consumption | change |
| 1980 | .07 | NA |
| 1981 | .08 | 9.46% |
| 1982 | .08 | -6.17% |
| 1983 | .07 | -2.63% |
| 1984 | .07 | -12.16% |
| 1985 | .08 | 18.46% |
| 1986 | .08 | 2.60% |
| 1987 | .09 | 10.13% |
| 1988 | .09 | 3.45% |
| 1989 | .09 | 1.11% |
| 1990 | .08 | -14.29% |
| 1991 | .07 | -15.38% |
| 1992 | .06 | -3.03% |
| 1993 | .07 | 10.94% |
| 1994 | .08 | 5.63% |
| 1995 | .08 | 8.00% |
| 1996 | .10 | 24.69% |
| 1997 | .10 | -5.94% |
| 1998 | .10 | 1.05% |
| 1999 | .13 | 30.21% |
| 2000 | .13 | 6.40% |
| 2001 | .11 | -17.29% |
| 2002 | .11 | -2.73% |
| 2003 | .11 | 1.87% |
| 2004 | .12 | 5.50% |
| 2005 | .11 | -1.74% |
| 2006 | .11 | 0.88% |
| 2007 | .12 | 5.26% |
| 2008 | .13 | 11.67% |
| 2009 | .13 | -2.99% |
| 2010 | .12 | -6.15% |
| 2011 | .12 | 0.82% |
| 2012 | .13 | 7.32% |
| 2013 | .12 | -6.06% |
|
|