|
Loading...
| year | production | consumption |
| 1980 | .00 | .00 |
| 1981 | .00 | .00 |
| 1982 | 2.20 | 2.20 |
| 1983 | 2.10 | 2.10 |
| 1984 | 2.30 | 2.30 |
| 1985 | 2.20 | 2.00 |
| 1986 | 3.00 | 3.00 |
| 1987 | 3.40 | 3.00 |
| 1988 | 4.10 | 4.00 |
| 1989 | 4.10 | 4.00 |
| 1990 | 4.00 | 4.00 |
| 1991 | 4.00 | 4.00 |
| 1992 | 4.00 | 4.00 |
| 1993 | 2.90 | 2.90 |
| 1994 | 1.30 | 1.30 |
| 1995 | 1.20 | 1.20 |
| 1996 | 1.30 | 1.50 |
| 1997 | 1.30 | 6.80 |
| 1998 | 1.20 | 30.00 |
| 1999 | .07 | 53.00 |
| 2000 | 1.30 | 72.00 |
| 2001 | 1.20 | 71.00 |
| 2002 | 1.30 | 77.00 |
| 2003 | 1.00 | 86.00 |
| 2004 | .90 | 95.00 |
| 2005 | .60 | 100.00 |
| 2006 | .80 | 117.00 |
| 2007 | .70 | 142.00 |
| 2008 | .50 | 149.00 |
| 2009 | .40 | 125.00 |
| 2010 | .20 | 136.00 |
| 2011 | .20 | 165.00 |
| 2012 | .20 | 151.00 |
| 2013 | .20 | 136.00 |
|
|
