| 年度 | 实际值 |
|---|---|
| 1997 | 5244450 |
| 1998 | 4952792 |
| 1999 | 4893909 |
| 2000 | 5116461 |
| 2001 | 5484148 |
| 2002 | 5870612 |
| 2003 | 6354359 |
| 2004 | 7123515 |
| 2005 | 8085609 |
| 2006 | 9220879 |
| 2007 | 10879481 |
| 2008 | 13277183 |
| 2009 | |
| 2010 | 17067565 |
| 2011 | 21400919 |
| 2012 | 24246569 |
| 2013 | 30353057 |
| 2014 | 30812486 |
| 2015 | 31286733 |