| 年度 | 实际值 |
|---|---|
| 1992 | 31968 |
| 1993 | |
| 1994 | |
| 1995 | 75455 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 132739 |
| 2000 | 146339 |
| 2001 | 145888 |
| 2002 | 167243 |
| 2003 | 183238 |
| 2004 | 201964 |
| 2005 | 175560 |
| 2006 | 178739 |
| 2007 | 173797 |
| 2008 | 140448 |
| 2009 | 170759 |
| 2010 | 216818 |
| 2011 | 247358 |
| 2012 | 267147 |
| 2013 | 377571 |
| 2014 | 464488 |
| 2015 | 565404 |
| 2016 | 632502 |
| 2017 | 720861 |