|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 2.84 | NA |
| 1987 | 2.95 | 4.12 % |
| 1988 | 2.96 | 0.34 % |
| 1989 | 3.17 | 6.90 % |
| 1990 | 3.32 | 4.85 % |
| 1991 | 3.09 | -6.88 % |
| 1992 | 3.96 | 28.09 % |
| 1993 | 4.12 | 3.91 % |
| 1994 | 4.15 | 0.84 % |
| 1995 | 4.48 | 7.80 % |
| 1996 | 4.31 | -3.77 % |
| 1997 | 4.35 | 1.00 % |
| 1998 | 4.33 | -0.57 % |
| 1999 | 4.23 | -2.18 % |
| 2000 | 4.70 | 11.16 % |
| 2001 | 4.49 | -4.49 % |
| 2002 | 4.43 | -1.38 % |
| 2003 | 4.18 | -5.72 % |
| 2004 | 3.66 | -12.32 % |
| 2005 | 3.87 | 5.75 % |
| 2006 | 4.09 | 5.70 % |
| 2007 | 3.40 | -16.95 % |
| 2008 | 4.25 | 24.86 % |
| 2009 | 3.47 | -18.26 % |
| 2010 | 2.80 | -19.37 % |
|
|
