| 年度 | 实际值 |
|---|---|
| 1981 | 1945 |
| 1982 | 2163 |
| 1983 | 2268 |
| 1984 | 2876 |
| 1985 | 3747 |
| 1986 | 4533 |
| 1987 | 4533 |
| 1988 | 6806 |
| 1989 | 7363 |
| 1990 | 7723 |
| 1991 | 7573 |
| 1992 | 11077 |
| 1993 | 15323 |
| 1994 | 22045 |
| 1995 | 24659 |
| 1996 | 29862 |
| 1997 | 33460 |
| 1998 | 39283 |
| 1999 | 47763 |
| 2000 | 51761 |
| 2001 | 73217 |
| 2002 | 88522 |
| 2003 | 93801 |
| 2004 | 118574 |
| 2005 | 122932 |
| 2006 | 148739 |
| 2007 | 186086 |
| 2008 | 211163 |
| 2009 | 229746 |
| 2010 | 291986 |
| 2011 | 325174 |
| 2012 | 364776 |
| 2013 | 313312 |
| 2014 | 434645 |
| 2015 | 479100 |