|
| year | production | change |
| 1980 | 1,905.27 | NA |
| 1981 | 1,883.40 | -1.15 % |
| 1982 | 2,144.65 | 13.87 % |
| 1983 | 1,955.09 | -8.84 % |
| 1984 | 2,123.44 | 8.61 % |
| 1985 | 2,389.71 | 12.54 % |
| 1986 | 2,330.87 | -2.46 % |
| 1987 | 2,377.36 | 1.99 % |
| 1988 | 3,006.45 | 26.46 % |
| 1989 | 2,887.17 | -3.97 % |
| 1990 | 3,032.86 | 5.05 % |
| 1991 | 3,183.25 | 4.96 % |
| 1992 | 3,387.62 | 6.42 % |
| 1993 | 3,388.92 | 0.04 % |
| 1994 | 3,543.34 | 4.56 % |
| 1995 | 3,354.16 | -5.34 % |
| 1996 | 3,819.64 | 13.88 % |
| 1997 | 3,854.18 | 0.90 % |
| 1998 | 3,815.10 | -1.01 % |
| 1999 | 3,491.02 | -8.49 % |
| 2000 | 3,410.55 | -2.31 % |
| 2001 | 3,668.49 | 7.56 % |
| 2002 | 3,650.86 | -0.48 % |
| 2003 | 3,610.07 | -1.12 % |
| 2004 | 5,056.30 | 40.06 % |
| 2005 | 5,369.36 | 6.19 % |
| 2006 | 4,015.72 | -25.21 % |
| 2007 | 4,545.93 | 13.20 % |
| 2008 | 4,121.54 | -9.34 % |
| 2009 | 3,837.15 | -6.90 % |
| 2010 | 3,804.08 | -0.86 % |
| 2011 | 4,044.38 | 6.32 % |
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