|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 11.01 | NA |
| 1987 | 10.56 | -4.05 % |
| 1988 | 12.95 | 22.62 % |
| 1989 | 11.54 | -10.90 % |
| 1990 | 13.41 | 16.19 % |
| 1991 | 13.68 | 2.04 % |
| 1992 | 18.67 | 36.48 % |
| 1993 | 18.65 | -0.13 % |
| 1994 | 18.35 | -1.58 % |
| 1995 | 20.43 | 11.33 % |
| 1996 | 21.13 | 3.41 % |
| 1997 | 22.78 | 7.82 % |
| 1998 | 22.87 | 0.39 % |
| 1999 | 34.04 | 48.83 % |
| 2000 | 34.62 | 1.71 % |
| 2001 | 33.61 | -2.90 % |
| 2002 | 31.63 | -5.92 % |
| 2003 | 31.14 | -1.55 % |
| 2004 | 28.99 | -6.89 % |
| 2005 | 30.18 | 4.09 % |
| 2006 | 36.91 | 22.30 % |
| 2007 | 35.48 | -3.86 % |
| 2008 | 36.54 | 3.00 % |
| 2009 | 34.96 | -4.34 % |
| 2010 | 29.33 | -16.09 % |
|
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