| 年度 | 实际值 |
|---|---|
| 1992 | 24050 |
| 1993 | |
| 1994 | |
| 1995 | 33778 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 40541 |
| 2000 | 35970 |
| 2001 | 37268 |
| 2002 | 44755 |
| 2003 | 70715 |
| 2004 | 89434 |
| 2005 | 130150 |
| 2006 | 326333 |
| 2007 | 355962 |
| 2008 | 333793 |
| 2009 | 352901 |
| 2010 | 357340 |
| 2011 | 377284 |
| 2012 | 390877 |
| 2013 | 397771 |
| 2014 | 631368 |
| 2015 | 347793 |
| 2016 | 314088 |
| 2017 | 332973 |