| 年度 | 实际值 |
|---|---|
| 1992 | 2777 |
| 1993 | |
| 1994 | |
| 1995 | 4561 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 10435 |
| 2000 | 11847 |
| 2001 | 16446 |
| 2002 | 17012 |
| 2003 | 19856 |
| 2004 | 24584 |
| 2005 | 30722 |
| 2006 | 40608 |
| 2007 | 50417 |
| 2008 | 58387 |
| 2009 | 81965 |
| 2010 | 103866 |
| 2011 | 131330 |
| 2012 | 167878 |
| 2013 | 203061 |
| 2014 | 216025 |
| 2015 | 287351 |
| 2016 | 286827 |