| 年度 | 实际值 |
|---|---|
| 1992 | 5415 |
| 1993 | |
| 1994 | |
| 1995 | 6840 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 24907 |
| 2000 | 29716 |
| 2001 | 38320 |
| 2002 | 40477 |
| 2003 | 33393 |
| 2004 | 35931 |
| 2005 | 40788 |
| 2006 | 47765 |
| 2007 | 60801 |
| 2008 | 85850 |
| 2009 | 114300 |
| 2010 | 157049 |
| 2011 | 172871 |
| 2012 | 221722 |
| 2013 | 239290 |
| 2014 | 249214 |
| 2015 | 325395 |
| 2016 | 363783 |