| 年度 | 实际值 |
|---|---|
| 1992 | 2385 |
| 1993 | |
| 1994 | |
| 1995 | 3372 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 6041 |
| 2000 | 6954 |
| 2001 | 7838 |
| 2002 | 8144 |
| 2003 | 19836 |
| 2004 | 24731 |
| 2005 | 24971 |
| 2006 | 51638 |
| 2007 | 74015 |
| 2008 | 89624 |
| 2009 | 130458 |
| 2010 | 196145 |
| 2011 | 245606 |
| 2012 | 269553 |
| 2013 | 288724 |
| 2014 | 259841 |
| 2015 | 266058 |
| 2016 | 282139 |
| 2017 | 312089 |