|
Loading...
| year | production | consumption |
| 1980 | .46 | .19 |
| 1981 | .48 | .19 |
| 1982 | .48 | .21 |
| 1983 | .54 | .20 |
| 1984 | .61 | .21 |
| 1985 | .66 | .22 |
| 1986 | .69 | .24 |
| 1987 | .43 | .23 |
| 1988 | .72 | .24 |
| 1989 | .67 | .24 |
| 1990 | .68 | .25 |
| 1991 | .71 | .27 |
| 1992 | .76 | .30 |
| 1993 | .82 | .29 |
| 1994 | .87 | .32 |
| 1995 | .92 | .31 |
| 1996 | .94 | .33 |
| 1997 | .92 | .34 |
| 1998 | .90 | .35 |
| 1999 | .90 | .34 |
| 2000 | .95 | .35 |
| 2001 | .99 | .36 |
| 2002 | .94 | .37 |
| 2003 | .98 | .38 |
| 2004 | 1.24 | .39 |
| 2005 | 1.25 | .42 |
| 2006 | 1.26 | .46 |
| 2007 | 1.23 | .52 |
| 2008 | 1.23 | .57 |
| 2009 | 1.17 | .58 |
| 2010 | 1.17 | .59 |
| 2011 | 1.21 | .62 |
| 2012 | 1.25 | .65 |
| 2013 | 1.28 | .65 |
|
|