| 年度 | 实际值 |
|---|---|
| 1999 | 2681.7 |
| 2000 | 2807 |
| 2001 | 3866 |
| 2002 | 4479 |
| 2003 | 5704 |
| 2004 | 7067 |
| 2005 | 8560 |
| 2006 | 10952.5353323274 |
| 2007 | 16141.5830446312 |
| 2008 | 27747.5040661697 |
| 2009 | 25515.0935712835 |
| 2010 | 27213.0871161459 |
| 2011 | 24904 |
| 2012 | 23864.2888226791 |
| 2013 | 20608 |
| 2014 | 27228 |
| 2015 | 35144.2546487936 |
| 2016 | 35623.2551466001 |