| 年度 | 实际值 |
|---|---|
| 1995 | 785 |
| 1996 | 3059 |
| 1997 | |
| 1998 | 1783 |
| 1999 | 1997 |
| 2000 | 65012 |
| 2001 | 33942 |
| 2002 | 10107 |
| 2003 | 12964 |
| 2004 | 36551 |
| 2005 | 26053 |
| 2006 | 40177 |
| 2007 | 75269 |
| 2008 | 61065 |
| 2009 | |
| 2010 | 228038 |
| 2011 | 299188 |
| 2012 | 224335 |
| 2013 | 204701 |
| 2014 | 164120 |
| 2015 | 166186 |
| 2016 | 87374 |
| 2017 | 155138 |
| 2018 | 172403 |