| 年度 | 实际值 |
|---|---|
| 1998 | 426758 |
| 1999 | 440658 |
| 2000 | 452733 |
| 2001 | 477132 |
| 2002 | 526223 |
| 2003 | 613718 |
| 2004 | 754791 |
| 2005 | 777857 |
| 2006 | 930325 |
| 2007 | 1154499 |
| 2008 | 1456062 |
| 2009 | 1670164 |
| 2010 | 2036373 |
| 2011 | 2629647 |
| 2012 | 3108037 |
| 2013 | 3447817 |
| 2014 | 3772216 |
| 2015 | 4013714 |
| 2016 | 3827838 |
| 2017 | 20797561 |
| 2018 | 23315854 |