| 年度 | 实际值 |
|---|---|
| 1992 | 1183 |
| 1993 | 1497 |
| 1994 | 1402 |
| 1995 | 1674 |
| 1996 | 1700 |
| 1997 | |
| 1998 | |
| 1999 | 3746 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 31045 |
| 2004 | 39002 |
| 2005 | 39676 |
| 2006 | 44841 |
| 2007 | 68785 |
| 2008 | 93398 |
| 2009 | |
| 2010 | 134184 |
| 2011 | 156291 |
| 2012 | 260406 |
| 2013 | 256159 |
| 2014 | 278264 |
| 2015 | 330400 |
| 2016 | 373700 |
| 2017 | 366423 |
| 2018 | 356018 |