|
| year | production | change |
| 1980 | 28.00 | NA |
| 1981 | 33.00 | 17.86 % |
| 1982 | 41.00 | 24.24 % |
| 1983 | 51.00 | 24.39 % |
| 1984 | 47.00 | -7.84 % |
| 1985 | 55.00 | 17.02 % |
| 1986 | 70.00 | 27.27 % |
| 1987 | 79.80 | 14.00 % |
| 1988 | 73.10 | -8.40 % |
| 1989 | 98.54 | 34.80 % |
| 1990 | 99.00 | 0.47 % |
| 1991 | 124.00 | 25.25 % |
| 1992 | 116.89 | -5.73 % |
| 1993 | 139.85 | 19.64 % |
| 1994 | 150.09 | 7.32 % |
| 1995 | 147.27 | -1.88 % |
| 1996 | 145.50 | -1.20 % |
| 1997 | 176.22 | 21.12 % |
| 1998 | 247.56 | 40.48 % |
| 1999 | 197.41 | -20.26 % |
| 2000 | 321.72 | 62.97 % |
| 2001 | 493.35 | 53.35 % |
| 2002 | 529.73 | 7.37 % |
| 2003 | 557.98 | 5.33 % |
| 2004 | 607.42 | 8.86 % |
| 2005 | 698.88 | 15.06 % |
| 2006 | 837.32 | 19.81 % |
| 2007 | 848.97 | 1.39 % |
| 2008 | 849.54 | 0.07 % |
| 2009 | 874.58 | 2.95 % |
| 2010 | 957.04 | 9.43 % |
| 2011 | 936.55 | -2.14 % |
|
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