| 年度 | 实际值 |
|---|---|
| 1995 | 32787 |
| 1996 | 26187 |
| 1997 | 18608 |
| 1998 | 14535 |
| 1999 | 16092 |
| 2000 | 30074 |
| 2001 | 39325 |
| 2002 | 66776 |
| 2003 | 87322 |
| 2004 | 153946 |
| 2005 | 172572 |
| 2006 | 230641 |
| 2007 | 273427 |
| 2008 | 425432 |
| 2009 | |
| 2010 | 588491 |
| 2011 | 1017750 |
| 2012 | 1189540 |
| 2013 | 1592378 |
| 2014 | 2046762 |
| 2015 | 1826315 |
| 2016 | 2463639 |
| 2017 | 2553962 |
| 2018 | 1739802 |