| 年度 | 实际值 |
|---|---|
| 1995 | 6332 |
| 1996 | 6521 |
| 1997 | 5849 |
| 1998 | 14040 |
| 1999 | 16721 |
| 2000 | 17971 |
| 2001 | 19679 |
| 2002 | 29102 |
| 2003 | 49459 |
| 2004 | 77028 |
| 2005 | 58267 |
| 2006 | 80627 |
| 2007 | 144200 |
| 2008 | 157242 |
| 2009 | |
| 2010 | 334658 |
| 2011 | 463908 |
| 2012 | 484864 |
| 2013 | 655774 |
| 2014 | 787171 |
| 2015 | 537376 |
| 2016 | 421474 |
| 2017 | 186079 |
| 2018 | 82539 |