| 年度 | 实际值 |
|---|---|
| 1993 | 15743 |
| 1994 | 18366 |
| 1995 | 21920 |
| 1996 | 25293 |
| 1997 | 29762 |
| 1998 | |
| 1999 | |
| 2000 | 35184 |
| 2001 | 37710 |
| 2002 | 39279 |
| 2003 | 42449 |
| 2004 | 46494 |
| 2005 | 52218 |
| 2006 | 57778 |
| 2007 | 65097 |
| 2008 | 75948 |
| 2009 | 89406 |
| 2010 | 104872.8 |
| 2011 | 123698 |
| 2012 | 141747 |
| 2013 | 160240 |
| 2014 | 179635 |
| 2015 | 191317.5 |