|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 1.19 | NA |
| 1987 | 1.57 | 32.74 % |
| 1988 | 1.63 | 3.61 % |
| 1989 | 1.80 | 10.30 % |
| 1990 | 2.00 | 11.08 % |
| 1991 | 2.23 | 11.52 % |
| 1992 | 2.33 | 4.51 % |
| 1993 | 2.31 | -0.80 % |
| 1994 | 2.50 | 7.97 % |
| 1995 | 2.56 | 2.46 % |
| 1996 | 2.59 | 1.16 % |
| 1997 | 3.01 | 16.40 % |
| 1998 | 3.01 | -0.12 % |
| 1999 | 3.15 | 4.75 % |
| 2000 | 3.00 | -4.81 % |
| 2001 | 3.05 | 1.64 % |
| 2002 | 3.05 | 0.00 % |
| 2003 | 3.27 | 7.38 % |
| 2004 | 3.53 | 7.83 % |
| 2005 | 3.52 | -0.30 % |
| 2006 | 3.82 | 8.71 % |
| 2007 | 3.86 | 1.00 % |
| 2008 | 3.82 | -1.06 % |
| 2009 | 3.54 | -7.42 % |
| 2010 | 3.46 | -2.31 % |
|
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