| 年度 | 实际值 |
|---|---|
| 1992 | 10511 |
| 1993 | |
| 1994 | |
| 1995 | 20309 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 28054 |
| 2000 | 31993 |
| 2001 | 26902 |
| 2002 | 29820 |
| 2003 | 32318 |
| 2004 | 40999 |
| 2005 | 44233 |
| 2006 | 54406 |
| 2007 | 66166 |
| 2008 | 127219 |
| 2009 | 143639 |
| 2010 | 164341 |
| 2011 | 187839 |
| 2012 | 205637 |
| 2013 | 219943 |
| 2014 | 247479 |
| 2015 | 268463 |
| 2016 | 292374 |
| 2017 | 302902 |