|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 26.26 | NA |
| 1987 | 27.28 | 3.89 % |
| 1988 | 32.02 | 17.38 % |
| 1989 | 36.45 | 13.84 % |
| 1990 | 40.88 | 12.16 % |
| 1991 | 41.57 | 1.67 % |
| 1992 | 42.58 | 2.44 % |
| 1993 | 45.57 | 7.01 % |
| 1994 | 53.73 | 17.91 % |
| 1995 | 57.93 | 7.82 % |
| 1996 | 57.79 | -0.25 % |
| 1997 | 60.06 | 3.94 % |
| 1998 | 69.84 | 16.27 % |
| 1999 | 70.26 | 0.61 % |
| 2000 | 75.78 | 7.85 % |
| 2001 | 77.95 | 2.86 % |
| 2002 | 77.56 | -0.49 % |
| 2003 | 79.04 | 1.90 % |
| 2004 | 75.32 | -4.71 % |
| 2005 | 72.27 | -4.04 % |
| 2006 | 76.01 | 5.17 % |
| 2007 | 64.73 | -14.85 % |
| 2008 | 77.89 | 20.33 % |
| 2009 | 70.39 | -9.63 % |
| 2010 | 59.72 | -15.17 % |
|
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