| 年度 | 实际值 |
|---|---|
| 1999 | 337546 |
| 2000 | 371898 |
| 2001 | 370880 |
| 2002 | 369621 |
| 2003 | 407784 |
| 2004 | 511464 |
| 2005 | 693666 |
| 2006 | 844864 |
| 2007 | 1095036 |
| 2008 | 1387084 |
| 2009 | 1595795 |
| 2010 | 2088879 |
| 2011 | 1825079 |
| 2012 | 1840367 |
| 2013 | 2001425 |
| 2014 | 2238169 |
| 2015 | 2374232 |
| 2016 | 2550014 |
| 2017 | 2770166 |
| 2018 | 2947644 |