|
| year | production | change |
| 1984 | 10,442.88 | NA |
| 1985 | 10,580.76 | 1.32 % |
| 1986 | 15,120.70 | 42.91 % |
| 1987 | 15,948.10 | 5.47 % |
| 1988 | 16,382.06 | 2.72 % |
| 1989 | 16,254.75 | -0.78 % |
| 1990 | 16,719.43 | 2.86 % |
| 1991 | 17,242.26 | 3.13 % |
| 1992 | 17,352.25 | 0.64 % |
| 1993 | 18,046.30 | 4.00 % |
| 1994 | 18,066.16 | 0.11 % |
| 1995 | 18,517.50 | 2.50 % |
| 1996 | 18,903.17 | 2.08 % |
| 1997 | 19,377.85 | 2.51 % |
| 1998 | 19,755.58 | 1.95 % |
| 1999 | 19,703.75 | -0.26 % |
| 2000 | 20,112.21 | 2.07 % |
| 2001 | 20,289.68 | 0.88 % |
| 2002 | 20,557.03 | 1.32 % |
| 2003 | 20,809.90 | 1.23 % |
| 2004 | 21,487.42 | 3.26 % |
| 2005 | 21,373.19 | -0.53 % |
| 2006 | 21,277.78 | -0.45 % |
| 2007 | 21,291.95 | 0.07 % |
| 2008 | 21,406.52 | 0.54 % |
| 2009 | 22,251.41 | 3.95 % |
| 2010 | 22,298.83 | 0.21 % |
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