| 年度 | 实际值 |
|---|---|
| 1999 | 244553 |
| 2000 | 265314 |
| 2001 | 288014 |
| 2002 | 312839 |
| 2003 | 347881 |
| 2004 | 387717 |
| 2005 | 389187 |
| 2006 | 442400 |
| 2007 | 526300 |
| 2008 | 652867 |
| 2009 | 736236 |
| 2010 | 925200 |
| 2011 | 1080345 |
| 2012 | 1253300 |
| 2013 | 1447900 |
| 2014 | 1572600 |
| 2015 | 1722200 |
| 2016 | 1880700 |
| 2017 | 2081814 |
| 2018 | 2293195 |