| 年度 | 实际值 |
|---|---|
| 1992 | 2009 |
| 1993 | 1281 |
| 1994 | 1871 |
| 1995 | 2175 |
| 1996 | 2600 |
| 1997 | |
| 1998 | |
| 1999 | |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 64314 |
| 2004 | 76856 |
| 2005 | 88692 |
| 2006 | 110258 |
| 2007 | 164213 |
| 2008 | 223268 |
| 2009 | |
| 2010 | 282558 |
| 2011 | 379265 |
| 2012 | 405658 |
| 2013 | 519338 |
| 2014 | 517383 |
| 2015 | 594444 |
| 2016 | 585159 |
| 2017 | 599606 |
| 2018 | 617829 |