|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 9.04 | NA |
| 1987 | 6.67 | -26.19 % |
| 1988 | 6.64 | -0.42 % |
| 1989 | 6.54 | -1.57 % |
| 1990 | 5.11 | -21.83 % |
| 1991 | 2.46 | -51.95 % |
| 1992 | 6.63 | 169.85 % |
| 1993 | 2.25 | -66.03 % |
| 1994 | 2.28 | 1.22 % |
| 1995 | 2.17 | -4.84 % |
| 1996 | 2.02 | -6.86 % |
| 1997 | 2.19 | 8.36 % |
| 1998 | 2.19 | -0.01 % |
| 1999 | 1.33 | -39.24 % |
| 2000 | 1.47 | 10.46 % |
| 2001 | 1.31 | -10.86 % |
| 2002 | 1.33 | 1.56 % |
| 2003 | 1.94 | 46.11 % |
| 2004 | 1.49 | -23.35 % |
| 2005 | 1.47 | -1.09 % |
| 2006 | 2.03 | 37.50 % |
| 2007 | 1.68 | -17.25 % |
| 2008 | 1.74 | 3.66 % |
| 2009 | 1.45 | -16.40 % |
| 2010 | .43 | -70.41 % |
|
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