| 年度 | 实际值 |
|---|---|
| 1992 | 3900 |
| 1993 | |
| 1994 | |
| 1995 | 9684 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 15985 |
| 2000 | 16206 |
| 2001 | 16297 |
| 2002 | 18541 |
| 2003 | 20439 |
| 2004 | 26508 |
| 2005 | 28567 |
| 2006 | 34147 |
| 2007 | 45765 |
| 2008 | 53677 |
| 2009 | 73575 |
| 2010 | 88268 |
| 2011 | 125115 |
| 2012 | 149038 |
| 2013 | 186387 |
| 2014 | 189816 |
| 2015 | 211093 |
| 2016 | 238454 |