| 年度 | 实际值 |
|---|---|
| 1992 | 18803 |
| 1993 | 22740 |
| 1994 | 18458 |
| 1995 | 21067 |
| 1996 | 22720 |
| 1997 | 29163 |
| 1998 | 30335 |
| 1999 | 33366 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 102200 |
| 2004 | 125752 |
| 2005 | 182499 |
| 2006 | 206920 |
| 2007 | 275606 |
| 2008 | 324234 |
| 2009 | |
| 2010 | 591289 |
| 2011 | 742467 |
| 2012 | 834956 |
| 2013 | 869198 |
| 2014 | 940582 |
| 2015 | 1149368 |
| 2016 | 1157997 |
| 2017 | 1224053 |
| 2018 | 1305781 |