| 年度 | 实际值 |
|---|---|
| 1995 | 4666 |
| 1996 | 5296 |
| 1997 | 6033 |
| 1998 | 5996 |
| 1999 | 5490 |
| 2000 | 5798 |
| 2001 | 17834 |
| 2002 | 30193 |
| 2003 | 47384 |
| 2004 | |
| 2005 | 168416 |
| 2006 | 204547 |
| 2007 | 196822 |
| 2008 | 272270 |
| 2009 | |
| 2010 | 453109 |
| 2011 | 518149 |
| 2012 | 489865 |
| 2013 | 543147 |
| 2014 | 778823 |
| 2015 | 657893 |
| 2016 | 1024442 |
| 2017 | 1365927 |
| 2018 | 1231041 |