| 年度 | 实际值 |
|---|---|
| 1992 | 13820 |
| 1993 | |
| 1994 | |
| 1995 | 17700 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 28977 |
| 2000 | 27091 |
| 2001 | 33336 |
| 2002 | 39688 |
| 2003 | 44990 |
| 2004 | 43959 |
| 2005 | 50001 |
| 2006 | 76067 |
| 2007 | 99520 |
| 2008 | 120051 |
| 2009 | 162840 |
| 2010 | 217579 |
| 2011 | 249998 |
| 2012 | 306642 |
| 2013 | 366507 |
| 2014 | 406939 |
| 2015 | 486100 |
| 2016 | 536366 |
| 2017 | 541498 |