|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 31.00 | NA |
| 1987 | 33.70 | 8.71 % |
| 1988 | 45.00 | 33.53 % |
| 1989 | 61.00 | 35.56 % |
| 1990 | 44.00 | -27.87 % |
| 1991 | 17.00 | -61.36 % |
| 1992 | 27.80 | 63.53 % |
| 1993 | 28.04 | 0.88 % |
| 1994 | 40.92 | 45.92 % |
| 1995 | 44.45 | 8.62 % |
| 1996 | 45.73 | 2.89 % |
| 1997 | 42.58 | -6.90 % |
| 1998 | 48.07 | 12.90 % |
| 1999 | 45.99 | -4.33 % |
| 2000 | 35.61 | -22.57 % |
| 2001 | 36.78 | 3.29 % |
| 2002 | 32.25 | -12.33 % |
| 2003 | 31.55 | -2.17 % |
| 2004 | 44.61 | 41.39 % |
| 2005 | 65.48 | 46.80 % |
| 2006 | 70.39 | 7.49 % |
| 2007 | 66.42 | -5.64 % |
| 2008 | 63.82 | -3.91 % |
| 2009 | 64.15 | 0.51 % |
| 2010 | 52.37 | -18.36 % |
|
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