| 年度 | 实际值 |
|---|---|
| 1978 | 654 |
| 1979 | |
| 1980 | |
| 1981 | |
| 1982 | |
| 1983 | |
| 1984 | |
| 1985 | 2925 |
| 1986 | |
| 1987 | |
| 1988 | |
| 1989 | |
| 1990 | 10571 |
| 1991 | |
| 1992 | |
| 1993 | |
| 1994 | |
| 1995 | 27160 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 65429 |
| 2000 | 72157 |
| 2001 | 78496 |
| 2002 | 71896 |
| 2003 | 78244 |
| 2004 | 94640 |
| 2005 | 55273 |
| 2006 | 70699 |
| 2007 | 101699 |
| 2008 | 160699 |
| 2009 | 200917 |
| 2010 | 261599 |
| 2011 | 321800 |
| 2012 | 377800 |
| 2013 | 450000 |
| 2014 | 415400 |