| 年度 | 实际值 |
|---|---|
| 1982 | 1961 |
| 1983 | 1939 |
| 1984 | 3312 |
| 1985 | 4889 |
| 1986 | 9085 |
| 1987 | 12551 |
| 1988 | 16817 |
| 1989 | 18233 |
| 1990 | 17376 |
| 1991 | 21603 |
| 1992 | 25696 |
| 1993 | 78494 |
| 1994 | 162507 |
| 1995 | 155252 |
| 1996 | 186655 |
| 1997 | 244990 |
| 1998 | 196334 |
| 1999 | 202705 |
| 2000 | 217624 |
| 2001 | 202584 |
| 2002 | 219408 |
| 2003 | 246982 |
| 2004 | 259760 |
| 2005 | 313047 |
| 2006 | 385025 |
| 2007 | 657547 |
| 2008 | 757853 |
| 2009 | 1016051 |
| 2010 | 968166 |
| 2011 | 1662142 |
| 2012 | 2212219 |