|
Loading...
| year | production | consumption |
| 1992 | .17 | .26 |
| 1993 | .14 | .20 |
| 1994 | .05 | .10 |
| 1995 | .08 | .18 |
| 1996 | .08 | .11 |
| 1997 | .12 | .16 |
| 1998 | .14 | .19 |
| 1999 | .15 | .19 |
| 2000 | .18 | .22 |
| 2001 | .18 | .22 |
| 2002 | .19 | .23 |
| 2003 | .19 | .23 |
| 2004 | .21 | .26 |
| 2005 | .21 | .28 |
| 2006 | .22 | .28 |
| 2007 | .20 | .25 |
| 2008 | .20 | .30 |
| 2009 | .17 | .32 |
| 2010 | .16 | .35 |
| 2011 | .16 | .33 |
| 2012 | .15 | .31 |
| 2013 | .15 | .26 |
|
|