|
| year | production | change |
| 1980 | 22,482.74 | NA |
| 1981 | 21,197.19 | -5.72 % |
| 1982 | 20,147.56 | -4.95 % |
| 1983 | 19,622.16 | -2.61 % |
| 1984 | 19,410.60 | -1.08 % |
| 1985 | 19,032.51 | -1.95 % |
| 1986 | 15,274.73 | -19.74 % |
| 1987 | 14,530.67 | -4.87 % |
| 1988 | 13,783.30 | -5.14 % |
| 1989 | 12,533.28 | -9.07 % |
| 1990 | 11,306.41 | -9.79 % |
| 1991 | 9,582.39 | -15.25 % |
| 1992 | 8,617.87 | -10.07 % |
| 1993 | 7,936.64 | -7.90 % |
| 1994 | 7,431.78 | -6.36 % |
| 1995 | 6,963.30 | -6.30 % |
| 1996 | 6,796.85 | -2.39 % |
| 1997 | 4,376.18 | -35.61 % |
| 1998 | 4,076.35 | -6.85 % |
| 1999 | 4,067.53 | -0.22 % |
| 2000 | 3,267.25 | -19.67 % |
| 2001 | 3,536.22 | 8.23 % |
| 2002 | | NA |
| 2003 | | NA |
| 2004 | | NA |
| 2005 | | NA |
| 2006 | | NA |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | | NA |
| 2011 | | NA |
|
|
