| 年度 | 实际值 |
|---|---|
| 1992 | 2995 |
| 1993 | |
| 1994 | |
| 1995 | 3555 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 7276 |
| 2000 | 5127.3 |
| 2001 | 5127 |
| 2002 | 3533.2 |
| 2003 | 3943 |
| 2004 | 5322 |
| 2005 | 3627 |
| 2006 | 5014 |
| 2007 | 5779 |
| 2008 | 6428 |
| 2009 | 8898 |
| 2010 | 8709 |
| 2011 | 8600 |
| 2012 | 22382 |
| 2013 | 33429 |
| 2014 | 45255 |
| 2015 | 59263 |
| 2016 | 64171 |
| 2017 | 67001 |