| 年度 | 实际值 |
|---|---|
| 1978 | 1810 |
| 1979 | |
| 1980 | |
| 1981 | |
| 1982 | |
| 1983 | |
| 1984 | |
| 1985 | 4175 |
| 1986 | |
| 1987 | |
| 1988 | |
| 1989 | |
| 1990 | 12241 |
| 1991 | |
| 1992 | |
| 1993 | |
| 1994 | |
| 1995 | 26015 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 49694 |
| 2000 | 53253 |
| 2001 | 57009 |
| 2002 | 48850 |
| 2003 | 51782 |
| 2004 | 63700 |
| 2005 | 58258 |
| 2006 | 64597 |
| 2007 | 78928 |
| 2008 | 103789 |
| 2009 | 124956 |
| 2010 | 166710 |
| 2011 | 220100 |
| 2012 | 272000 |
| 2013 | 332500 |
| 2014 | 334000 |