| 年度 | 实际值 |
|---|---|
| 1992 | 9900 |
| 1993 | |
| 1994 | 7338 |
| 1995 | 6843 |
| 1996 | 10517 |
| 1997 | |
| 1998 | |
| 1999 | 12897 |
| 2000 | 14115 |
| 2001 | 17711 |
| 2002 | 21654 |
| 2003 | 26275 |
| 2004 | 28405 |
| 2005 | 36543 |
| 2006 | 46339 |
| 2007 | 64393 |
| 2008 | 79347 |
| 2009 | 95733 |
| 2010 | 150401 |
| 2011 | 178163 |
| 2012 | 220858 |
| 2013 | 252873 |
| 2014 | 246113 |
| 2015 | 344852 |