| 年度 | 实际值 |
|---|---|
| 1992 | 6992 |
| 1993 | 7859 |
| 1994 | 4422 |
| 1995 | 5597 |
| 1996 | 5012 |
| 1997 | 5055 |
| 1998 | 6131 |
| 1999 | 7282 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 27620 |
| 2004 | 31478 |
| 2005 | 33127 |
| 2006 | 45420 |
| 2007 | 72158 |
| 2008 | 86358 |
| 2009 | |
| 2010 | 127670 |
| 2011 | 140712 |
| 2012 | 222044 |
| 2013 | 227849 |
| 2014 | 232035 |
| 2015 | 301428 |
| 2016 | 299877 |
| 2017 | 363630 |
| 2018 | 382716 |