|
| year | production | change |
| 1980 | 100.00 | NA |
| 1981 | 120.00 | 20.00 % |
| 1982 | 130.00 | 8.33 % |
| 1983 | 140.00 | 7.69 % |
| 1984 | 133.00 | -5.00 % |
| 1985 | 164.00 | 23.31 % |
| 1986 | 180.00 | 9.76 % |
| 1987 | 216.50 | 20.28 % |
| 1988 | 181.87 | -16.00 % |
| 1989 | 186.10 | 2.33 % |
| 1990 | 205.00 | 10.16 % |
| 1991 | 233.00 | 13.66 % |
| 1992 | 187.88 | -19.37 % |
| 1993 | 233.79 | 24.44 % |
| 1994 | 229.19 | -1.97 % |
| 1995 | 229.19 | 0.00 % |
| 1996 | 232.02 | 1.23 % |
| 1997 | 281.46 | 21.31 % |
| 1998 | 292.76 | 4.02 % |
| 1999 | 297.00 | 1.45 % |
| 2000 | 302.65 | 1.90 % |
| 2001 | 314.30 | 3.85 % |
| 2002 | 334.08 | 6.29 % |
| 2003 | 339.73 | 1.69 % |
| 2004 | 344.32 | 1.35 % |
| 2005 | 378.22 | 9.85 % |
| 2006 | 400.12 | 5.79 % |
| 2007 | 416.01 | 3.97 % |
| 2008 | 438.26 | 5.35 % |
| 2009 | 440.73 | 0.56 % |
| 2010 | 450.97 | 2.32 % |
| 2011 | 445.68 | -1.17 % |
|
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