| 年度 | 实际值 |
|---|---|
| 1997 | 3578558 |
| 1998 | 3722582 |
| 1999 | 3824966 |
| 2000 | 4594289 |
| 2001 | 5033013 |
| 2002 | 5601358 |
| 2003 | 6163832 |
| 2004 | 6983738 |
| 2005 | 7989942 |
| 2006 | 9293563 |
| 2007 | 11674552 |
| 2008 | 13718861 |
| 2009 | |
| 2010 | 18601404 |
| 2011 | 22954185 |
| 2012 | 27413365 |
| 2013 | 35999849 |
| 2014 | 40742254 |
| 2015 | 44700201 |