| 年度 | 实际值 |
|---|---|
| 1999 | 144487 |
| 2000 | 153598 |
| 2001 | 169456 |
| 2002 | 178386 |
| 2003 | 199455 |
| 2004 | 236786 |
| 2005 | 195471 |
| 2006 | 257144 |
| 2007 | 327199 |
| 2008 | 473246 |
| 2009 | 594695 |
| 2010 | 780272 |
| 2011 | 993925 |
| 2012 | 1123338 |
| 2013 | 1178819 |
| 2014 | 1274238 |
| 2015 | 1476744 |
| 2016 | 1582130 |
| 2017 | 1482157 |
| 2018 | 1277525 |