| 年度 | 实际值 |
|---|---|
| 1999 | 3113.8 |
| 2000 | 3604 |
| 2001 | 4032 |
| 2002 | 4179 |
| 2003 | 3601 |
| 2004 | 4188 |
| 2005 | 4985 |
| 2006 | 5590.09839952587 |
| 2007 | 7162.99621703036 |
| 2008 | 10015.0333203244 |
| 2009 | 11721.5181066028 |
| 2010 | 13280.8951736483 |
| 2011 | 15856 |
| 2012 | 17586.3542976759 |
| 2013 | 17839 |
| 2014 | 18074 |
| 2015 | 19833.5617059244 |
| 2016 | 21879.4969594595 |