|
| year | production | change |
| 1980 | .00 | NA |
| 1981 | 1.00 | NA |
| 1982 | 5.00 | 400.00 % |
| 1983 | 6.00 | 20.00 % |
| 1984 | 11.00 | 83.33 % |
| 1985 | 18.00 | 63.64 % |
| 1986 | 16.00 | -11.11 % |
| 1987 | 14.00 | -12.50 % |
| 1988 | 16.00 | 14.29 % |
| 1989 | 11.00 | -31.25 % |
| 1990 | 13.00 | 18.18 % |
| 1991 | 13.00 | 0.00 % |
| 1992 | 14.00 | 7.69 % |
| 1993 | 15.00 | 7.14 % |
| 1994 | 22.00 | 46.67 % |
| 1995 | 37.35 | 69.77 % |
| 1996 | 35.00 | -6.29 % |
| 1997 | 50.00 | 42.86 % |
| 1998 | 60.00 | 20.00 % |
| 1999 | 60.95 | 1.58 % |
| 2000 | 60.00 | -1.56 % |
| 2001 | 60.00 | 0.00 % |
| 2002 | 65.00 | 8.33 % |
| 2003 | 82.21 | 26.48 % |
| 2004 | 82.84 | 0.77 % |
| 2005 | 106.88 | 29.02 % |
| 2006 | 109.66 | 2.60 % |
|
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