|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | .99 | NA |
| 1988 | 1.26 | 27.94 % |
| 1989 | 1.26 | -0.40 % |
| 1990 | 2.03 | 62.01 % |
| 1991 | 1.85 | -9.27 % |
| 1992 | 2.05 | 11.09 % |
| 1993 | 2.41 | 17.68 % |
| 1994 | 2.06 | -14.79 % |
| 1995 | 2.38 | 15.91 % |
| 1996 | 2.84 | 19.28 % |
| 1997 | 3.37 | 18.36 % |
| 1998 | 4.21 | 25.00 % |
| 1999 | 2.38 | -43.33 % |
| 2000 | 3.15 | 31.99 % |
| 2001 | 3.11 | -1.21 % |
| 2002 | 3.01 | -3.01 % |
| 2003 | 3.37 | 11.63 % |
| 2004 | 3.17 | -5.81 % |
| 2005 | 3.39 | 6.91 % |
| 2006 | 3.27 | -3.45 % |
| 2007 | 2.97 | -9.29 % |
| 2008 | 2.69 | -9.45 % |
| 2009 | 2.43 | -9.56 % |
| 2010 | 2.20 | -9.62 % |
|
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