|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 3.30 | NA |
| 1987 | 1.50 | -54.55 % |
| 1988 | 3.28 | 118.67 % |
| 1989 | 5.57 | 69.68 % |
| 1990 | 5.63 | 1.18 % |
| 1991 | 6.42 | 13.96 % |
| 1992 | 6.01 | -6.29 % |
| 1993 | 8.10 | 34.77 % |
| 1994 | 10.15 | 25.27 % |
| 1995 | 8.05 | -20.73 % |
| 1996 | 8.60 | 6.90 % |
| 1997 | 9.85 | 14.46 % |
| 1998 | 8.89 | -9.67 % |
| 1999 | 6.94 | -22.02 % |
| 2000 | 2.94 | -57.55 % |
| 2001 | 2.67 | -9.19 % |
| 2002 | 4.07 | 52.04 % |
| 2003 | 5.95 | 46.28 % |
| 2004 | 4.56 | -23.28 % |
| 2005 | 7.36 | 61.34 % |
| 2006 | .02 | -99.71 % |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | | NA |
|
|
