| 年度 | 实际值 |
|---|---|
| 1995 | 2282 |
| 1996 | 1925 |
| 1997 | 1128 |
| 1998 | 5058 |
| 1999 | 3920 |
| 2000 | 12432 |
| 2001 | 14072 |
| 2002 | 14891 |
| 2003 | 25876 |
| 2004 | 48148 |
| 2005 | 53688 |
| 2006 | 69307 |
| 2007 | 103972 |
| 2008 | 116069 |
| 2009 | |
| 2010 | 197812 |
| 2011 | 242177 |
| 2012 | 464007 |
| 2013 | 901456 |
| 2014 | 771700 |
| 2015 | 676628 |
| 2016 | 280730 |
| 2017 | 215315 |
| 2018 | 274264 |