|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 18.62 | NA |
| 1987 | 20.00 | 7.39 % |
| 1988 | 20.00 | 0.00 % |
| 1989 | 21.15 | 5.73 % |
| 1990 | 21.79 | 3.05 % |
| 1991 | 26.00 | 19.32 % |
| 1992 | 38.45 | 47.90 % |
| 1993 | 41.48 | 7.87 % |
| 1994 | 41.95 | 1.13 % |
| 1995 | 41.79 | -0.39 % |
| 1996 | 41.72 | -0.16 % |
| 1997 | 41.83 | 0.27 % |
| 1998 | 42.30 | 1.12 % |
| 1999 | 29.26 | -30.83 % |
| 2000 | 43.30 | 48.00 % |
| 2001 | 43.44 | 0.33 % |
| 2002 | 38.42 | -11.57 % |
| 2003 | 39.75 | 3.47 % |
| 2004 | 39.99 | 0.61 % |
| 2005 | 40.55 | 1.38 % |
| 2006 | 35.62 | -12.16 % |
| 2007 | 46.44 | 30.38 % |
| 2008 | 43.37 | -6.59 % |
| 2009 | 39.38 | -9.21 % |
| 2010 | 13.09 | -66.77 % |
|
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