|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 16.34 | NA |
| 1987 | 17.04 | 4.32 % |
| 1988 | 14.02 | -17.73 % |
| 1989 | 14.08 | 0.41 % |
| 1990 | 14.24 | 1.13 % |
| 1991 | 15.73 | 10.49 % |
| 1992 | 16.22 | 3.11 % |
| 1993 | 18.60 | 14.69 % |
| 1994 | 20.66 | 11.08 % |
| 1995 | 23.64 | 14.41 % |
| 1996 | 25.15 | 6.40 % |
| 1997 | 27.02 | 7.42 % |
| 1998 | 26.71 | -1.15 % |
| 1999 | 26.18 | -1.98 % |
| 2000 | 31.32 | 19.64 % |
| 2001 | 34.98 | 11.67 % |
| 2002 | 37.61 | 7.53 % |
| 2003 | 41.54 | 10.45 % |
| 2004 | 45.32 | 9.09 % |
| 2005 | 47.00 | 3.71 % |
| 2006 | 43.79 | -6.82 % |
| 2007 | 51.36 | 17.27 % |
| 2008 | 40.27 | -21.60 % |
| 2009 | 49.48 | 22.87 % |
| 2010 | 46.24 | -6.54 % |
|
|
