|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 11.68 | NA |
| 1987 | 11.68 | 0.00 % |
| 1988 | 11.66 | -0.19 % |
| 1989 | 10.65 | -8.69 % |
| 1990 | 12.45 | 16.89 % |
| 1991 | 12.49 | 0.40 % |
| 1992 | 7.00 | -43.97 % |
| 1993 | 5.89 | -15.92 % |
| 1994 | 7.88 | 33.94 % |
| 1995 | 7.37 | -6.51 % |
| 1996 | 3.93 | -46.66 % |
| 1997 | 4.73 | 20.20 % |
| 1998 | 6.62 | 40.04 % |
| 1999 | 9.12 | 37.85 % |
| 2000 | 11.16 | 22.35 % |
| 2001 | 2.32 | -79.17 % |
| 2002 | 2.32 | 0.01 % |
| 2003 | 2.27 | -2.52 % |
| 2004 | 2.28 | 0.60 % |
| 2005 | 1.92 | -15.98 % |
| 2006 | 1.47 | -23.46 % |
| 2007 | 1.64 | 12.00 % |
| 2008 | 1.68 | 2.22 % |
| 2009 | 1.37 | -18.42 % |
| 2010 | 1.31 | -4.28 % |
|
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