| 年度 | 实际值 |
|---|---|
| 1992 | 5332 |
| 1993 | |
| 1994 | |
| 1995 | 8957 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 19458 |
| 2000 | 22628 |
| 2001 | 26058 |
| 2002 | 26356 |
| 2003 | 31778 |
| 2004 | 38429 |
| 2005 | 48048 |
| 2006 | 59737 |
| 2007 | 72677 |
| 2008 | 86916 |
| 2009 | 87229 |
| 2010 | 103503 |
| 2011 | 131851 |
| 2012 | 161107 |
| 2013 | 196178 |
| 2014 | 228888 |
| 2015 | 239888 |
| 2016 | 243142 |