| 年度 | 实际值 |
|---|---|
| 1999 | 815817 |
| 2000 | 945800 |
| 2001 | 1014500 |
| 2002 | 1132900 |
| 2003 | 1322100 |
| 2004 | 1563900 |
| 2005 | 1618500 |
| 2006 | 1880600 |
| 2007 | 2210800 |
| 2008 | 2525600 |
| 2009 | 2611900 |
| 2010 | 3104000 |
| 2011 | 3614000 |
| 2012 | 3244800 |
| 2013 | 3466000 |
| 2014 | 3698600 |
| 2015 | 3563400 |
| 2016 | 3664400 |
| 2017 | 4058581 |
| 2018 | 4547930 |