| 年度 | 实际值 |
|---|---|
| 1992 | 3817 |
| 1993 | |
| 1994 | |
| 1995 | 4613 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 15520 |
| 2000 | 18491 |
| 2001 | 22857 |
| 2002 | 30838 |
| 2003 | 35416 |
| 2004 | 45742 |
| 2005 | 62325 |
| 2006 | 75353 |
| 2007 | 93631 |
| 2008 | 120187 |
| 2009 | 148379 |
| 2010 | 189010 |
| 2011 | 243681 |
| 2012 | 275039 |
| 2013 | 287452 |
| 2014 | 306392 |
| 2015 | 378926 |
| 2016 | 346917 |