|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 2.16 | NA |
| 1987 | .39 | -82.11 % |
| 1988 | 3.91 | 911.42 % |
| 1989 | 5.84 | 49.57 % |
| 1990 | 7.70 | 31.79 % |
| 1991 | 5.95 | -22.73 % |
| 1992 | 6.30 | 5.79 % |
| 1993 | 5.68 | -9.82 % |
| 1994 | 4.25 | -25.10 % |
| 1995 | 4.68 | 10.05 % |
| 1996 | 5.70 | 21.80 % |
| 1997 | 6.85 | 20.17 % |
| 1998 | 5.48 | -20.00 % |
| 1999 | 5.48 | 0.00 % |
| 2000 | 5.11 | -6.76 % |
| 2001 | 4.67 | -8.63 % |
| 2002 | 6.21 | 32.92 % |
| 2003 | 7.40 | 19.21 % |
| 2004 | 8.03 | 8.59 % |
| 2005 | 8.05 | 0.27 % |
| 2006 | 9.38 | 16.46 % |
| 2007 | | NA |
| 2008 | 7.27 | NA |
| 2009 | 8.58 | 17.96 % |
| 2010 | 9.09 | 6.01 % |
|
|
