|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 4.53 | NA |
| 1987 | 4.54 | 0.30 % |
| 1988 | 4.98 | 9.67 % |
| 1989 | 4.98 | -0.07 % |
| 1990 | 5.07 | 1.73 % |
| 1991 | 5.86 | 15.73 % |
| 1992 | 4.89 | -16.60 % |
| 1993 | 1.63 | -66.58 % |
| 1994 | | NA |
| 1995 | 5.96 | NA |
| 1996 | 5.75 | -3.51 % |
| 1997 | 7.09 | 23.36 % |
| 1998 | 8.13 | 14.66 % |
| 1999 | 7.20 | -11.49 % |
| 2000 | 7.46 | 3.61 % |
| 2001 | 7.02 | -5.81 % |
| 2002 | 5.05 | -28.14 % |
| 2003 | 7.48 | 48.15 % |
| 2004 | 12.12 | 62.06 % |
| 2005 | 12.53 | 3.36 % |
| 2006 | 9.09 | -27.43 % |
| 2007 | 8.13 | -10.54 % |
| 2008 | 10.49 | 29.02 % |
| 2009 | 9.11 | -13.14 % |
| 2010 | 10.38 | 13.85 % |
|
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