| 年度 | 实际值 |
|---|---|
| 1999 | 4347.4 |
| 2000 | 4722 |
| 2001 | 5028 |
| 2002 | 5400 |
| 2003 | 5459 |
| 2004 | 6360 |
| 2005 | 7378 |
| 2006 | 8292.87840150458 |
| 2007 | 9720.74574127879 |
| 2008 | 12664.8847395798 |
| 2009 | 12903.0526085077 |
| 2010 | 15769.5147462828 |
| 2011 | 18491 |
| 2012 | 20990.4249458034 |
| 2013 | 23296 |
| 2014 | 24858 |
| 2015 | 26746.6965059215 |
| 2016 | 29253.079091621 |