|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 31.22 | NA |
| 1987 | 39.83 | 27.61 % |
| 1988 | 43.00 | 7.95 % |
| 1989 | 39.98 | -7.02 % |
| 1990 | 40.89 | 2.27 % |
| 1991 | 45.17 | 10.47 % |
| 1992 | 51.83 | 14.75 % |
| 1993 | 63.24 | 22.01 % |
| 1994 | 62.08 | -1.84 % |
| 1995 | 63.61 | 2.48 % |
| 1996 | 53.77 | -15.47 % |
| 1997 | 58.36 | 8.53 % |
| 1998 | 60.50 | 3.68 % |
| 1999 | 58.19 | -3.82 % |
| 2000 | 59.20 | 1.73 % |
| 2001 | 64.22 | 8.49 % |
| 2002 | 58.04 | -9.62 % |
| 2003 | 64.92 | 11.85 % |
| 2004 | 56.09 | -13.59 % |
| 2005 | 62.22 | 10.92 % |
| 2006 | 66.09 | 6.21 % |
| 2007 | 75.17 | 13.75 % |
| 2008 | 67.49 | -10.22 % |
| 2009 | 77.48 | 14.80 % |
| 2010 | 77.21 | -0.35 % |
|
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