| 年度 | 实际值 |
|---|---|
| 1992 | 1641 |
| 1993 | 1976 |
| 1994 | 3775 |
| 1995 | 4184 |
| 1996 | 5016 |
| 1997 | |
| 1998 | |
| 1999 | |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 57144 |
| 2004 | 65728 |
| 2005 | 77413 |
| 2006 | 100284 |
| 2007 | 161519 |
| 2008 | 214451 |
| 2009 | |
| 2010 | 308079 |
| 2011 | 438849 |
| 2012 | 513378 |
| 2013 | 515652 |
| 2014 | 519503 |
| 2015 | 581816 |
| 2016 | 617857 |
| 2017 | 604237 |
| 2018 | 604230 |