|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 30.22 | NA |
| 1987 | 29.80 | -1.38 % |
| 1988 | 32.00 | 7.38 % |
| 1989 | 23.11 | -27.79 % |
| 1990 | 30.38 | 31.47 % |
| 1991 | 30.50 | 0.39 % |
| 1992 | 41.97 | 37.63 % |
| 1993 | 53.28 | 26.94 % |
| 1994 | 54.73 | 2.72 % |
| 1995 | 59.59 | 8.88 % |
| 1996 | 50.22 | -15.72 % |
| 1997 | 48.17 | -4.10 % |
| 1998 | 49.29 | 2.33 % |
| 1999 | 43.23 | -12.28 % |
| 2000 | 51.27 | 18.59 % |
| 2001 | 46.32 | -9.66 % |
| 2002 | 51.68 | 11.57 % |
| 2003 | 52.15 | 0.90 % |
| 2004 | 57.50 | 10.27 % |
| 2005 | 63.78 | 10.91 % |
| 2006 | 60.57 | -5.02 % |
| 2007 | 68.96 | 13.85 % |
| 2008 | 61.91 | -10.23 % |
| 2009 | 69.74 | 12.65 % |
| 2010 | 63.73 | -8.61 % |
|
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