|
| year | production | change |
| 1980 | 85.00 | NA |
| 1981 | 85.00 | 0.00 % |
| 1982 | 49.00 | -42.35 % |
| 1983 | 46.00 | -6.12 % |
| 1984 | 48.00 | 4.35 % |
| 1985 | 44.00 | -8.33 % |
| 1986 | 26.00 | -40.91 % |
| 1987 | 25.80 | -0.77 % |
| 1988 | 35.32 | 36.90 % |
| 1989 | 56.86 | 60.99 % |
| 1990 | 66.00 | 16.07 % |
| 1991 | 52.00 | -21.21 % |
| 1992 | 55.44 | 6.62 % |
| 1993 | 61.80 | 11.46 % |
| 1994 | 68.51 | 10.86 % |
| 1995 | 67.10 | -2.06 % |
| 1996 | 63.92 | -4.74 % |
| 1997 | 75.22 | 17.68 % |
| 1998 | 70.28 | -6.57 % |
| 1999 | 42.38 | -39.70 % |
| 2000 | 40.26 | -5.00 % |
| 2001 | 42.38 | 5.26 % |
| 2002 | 38.85 | -8.33 % |
| 2003 | 65.33 | 68.18 % |
| 2004 | 38.49 | -41.08 % |
| 2005 | 72.04 | 87.16 % |
| 2006 | 69.22 | -3.92 % |
| 2007 | 62.79 | -9.29 % |
| 2008 | 61.20 | -2.53 % |
| 2009 | 68.02 | 11.14 % |
| 2010 | 65.44 | -3.79 % |
| 2011 | 51.98 | -20.56 % |
|
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