|
| year | production | change |
| 1980 | 2,874.64 | NA |
| 1981 | 2,998.38 | 4.30 % |
| 1982 | 2,895.45 | -3.43 % |
| 1983 | 3,223.39 | 11.33 % |
| 1984 | 3,928.45 | 21.87 % |
| 1985 | 4,552.99 | 15.90 % |
| 1986 | 4,986.15 | 9.51 % |
| 1987 | 5,553.37 | 11.38 % |
| 1988 | 6,023.13 | 8.46 % |
| 1989 | 6,510.67 | 8.09 % |
| 1990 | 6,881.28 | 5.69 % |
| 1991 | 7,080.55 | 2.90 % |
| 1992 | 11,641.40 | 64.41 % |
| 1993 | 12,472.32 | 7.14 % |
| 1994 | 11,927.26 | -4.37 % |
| 1995 | 12,427.56 | 4.19 % |
| 1996 | 13,616.70 | 9.57 % |
| 1997 | 14,302.47 | 5.04 % |
| 1998 | 14,553.06 | 1.75 % |
| 1999 | 15,523.06 | 6.67 % |
| 2000 | 17,689.78 | 13.96 % |
| 2001 | 18,772.64 | 6.12 % |
| 2002 | 20,054.05 | 6.83 % |
| 2003 | 20,993.60 | 4.69 % |
| 2004 | 22,387.41 | 6.64 % |
| 2005 | 24,673.78 | 10.21 % |
| 2006 | 26,206.84 | 6.21 % |
| 2007 | 27,990.72 | 6.81 % |
| 2008 | 29,818.15 | 6.53 % |
| 2009 | 30,230.78 | 1.38 % |
| 2010 | 32,748.04 | 8.33 % |
| 2011 | 35,728.75 | 9.10 % |
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