| 年度 | 实际值 |
|---|---|
| 2000 | 3985 |
| 2001 | 4226 |
| 2002 | 4300 |
| 2003 | 4445 |
| 2004 | 5371 |
| 2005 | 6202 |
| 2006 | 7125.55747513146 |
| 2007 | 9164.74644736982 |
| 2008 | 10678.9305025571 |
| 2009 | 9346.98319433843 |
| 2010 | 11991.7506243195 |
| 2011 | 15552 |
| 2012 | 17975.8630106147 |
| 2013 | 21442 |
| 2014 | 21215 |
| 2015 | 23516.3206621085 |
| 2016 | 25114.7010849233 |