|
Loading...
| year | consumption | change |
| 1992 | .29 | NA |
| 1993 | .25 | -16.10% |
| 1994 | .24 | -3.67% |
| 1995 | .18 | -22.46% |
| 1996 | .23 | 26.78% |
| 1997 | .22 | -6.03% |
| 1998 | .22 | 0.00% |
| 1999 | .24 | 8.26% |
| 2000 | .24 | 2.12% |
| 2001 | .23 | -5.39% |
| 2002 | .19 | -15.35% |
| 2003 | .20 | 4.66% |
| 2004 | .21 | 4.46% |
| 2005 | .20 | -7.11% |
| 2006 | .19 | -2.55% |
| 2007 | .20 | 4.19% |
| 2008 | .21 | 7.04% |
| 2009 | .22 | 2.82% |
| 2010 | .20 | -7.76% |
| 2011 | .23 | 13.37% |
| 2012 | .26 | 12.23% |
| 2013 | .25 | -4.28% |
|
|