|
| year | production | change |
| 1980 | 194.01 | NA |
| 1981 | 127.87 | -34.09 % |
| 1982 | 62.83 | -50.86 % |
| 1983 | 59.52 | -5.26 % |
| 1984 | 91.49 | 53.70 % |
| 1985 | 153.22 | 67.47 % |
| 1986 | 158.73 | 3.60 % |
| 1987 | 159.84 | 0.69 % |
| 1988 | 90.39 | -43.45 % |
| 1989 | 89.29 | -1.22 % |
| 1990 | 99.21 | 11.11 % |
| 1991 | 110.23 | 11.11 % |
| 1992 | 95.90 | -13.00 % |
| 1993 | 30.86 | -67.82 % |
| 1994 | 27.56 | -10.71 % |
| 1995 | 22.05 | -20.00 % |
| 1996 | 8.82 | -60.00 % |
| 1997 | 11.02 | 25.00 % |
| 1998 | 13.23 | 20.00 % |
| 1999 | 17.64 | 33.33 % |
| 2000 | 3.31 | -81.25 % |
| 2001 | 3.31 | 0.00 % |
| 2002 | 47.40 | 1,333.34 % |
| 2003 | 25.35 | -46.51 % |
| 2004 | 3.31 | -86.96 % |
| 2005 | 8.82 | 166.67 % |
| 2006 | 8.82 | 0.00 % |
| 2007 | 8.82 | 0.00 % |
| 2008 | 8.82 | 0.00 % |
| 2009 | 8.82 | 0.00 % |
| 2010 | 8.82 | 0.00 % |
| 2011 | 8.82 | 0.00 % |
|
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