|
Loading...
| year | consumption | change |
| 1980 | .90 | NA |
| 1981 | 1.00 | 11.11% |
| 1982 | 1.00 | 0.00% |
| 1983 | 1.10 | 10.00% |
| 1984 | 1.10 | 0.00% |
| 1985 | 1.10 | 0.00% |
| 1986 | .90 | -18.18% |
| 1987 | 1.20 | 33.33% |
| 1988 | 1.20 | 0.00% |
| 1989 | 1.30 | 8.33% |
| 1990 | 1.30 | 0.00% |
| 1991 | 1.10 | -15.38% |
| 1992 | 1.20 | 9.09% |
| 1993 | 1.20 | 0.00% |
| 1994 | 1.10 | -8.33% |
| 1995 | 1.20 | 9.09% |
| 1996 | 1.30 | 8.33% |
| 1997 | 1.40 | 7.69% |
| 1998 | 1.50 | 7.14% |
| 1999 | 1.60 | 6.67% |
| 2000 | 1.60 | 0.00% |
| 2001 | 1.60 | 0.00% |
| 2002 | 1.90 | 18.75% |
| 2003 | 1.80 | -5.26% |
| 2004 | 2.00 | 11.11% |
| 2005 | 2.20 | 10.00% |
| 2006 | 2.30 | 4.55% |
| 2007 | 2.30 | 0.00% |
| 2008 | 2.50 | 8.70% |
| 2009 | 2.80 | 12.00% |
| 2010 | 3.10 | 10.71% |
| 2011 | 3.20 | 3.23% |
| 2012 | 3.60 | 12.50% |
| 2013 | 3.60 | 0.00% |
|
|
