| 年度 | 实际值 |
|---|---|
| 1999 | 31157 |
| 2000 | 29713 |
| 2001 | 35281 |
| 2002 | 41749 |
| 2003 | 53355 |
| 2004 | 106507 |
| 2005 | 125802 |
| 2006 | 139880 |
| 2007 | 149457 |
| 2008 | 141661 |
| 2009 | 100594.481962514 |
| 2010 | 135245 |
| 2011 | 160411.180920567 |
| 2012 | 171749.3 |
| 2013 | 183585 |
| 2014 | 188965 |
| 2015 | 192889.581512835 |
| 2016 | 209154 |
| 2017 | 248725 |