| 年度 | 实际值 |
|---|---|
| 1993 | 1712660 |
| 1994 | 2232752 |
| 1995 | 2954143 |
| 1996 | 3655427 |
| 1997 | 4245538 |
| 1998 | 4733462 |
| 1999 | 5160894 |
| 2000 | |
| 2001 | 6234628 |
| 2002 | 6952392 |
| 2003 | 7215370 |
| 2004 | 8088040 |
| 2005 | 9150855 |
| 2006 | 10487404 |
| 2007 | 12318501 |
| 2008 | 15055377 |
| 2009 | |
| 2010 | 20658671 |
| 2011 | 24268655 |
| 2012 | 28022020 |
| 2013 | 31860936 |
| 2014 | 35701083 |
| 2015 | 38832398 |
| 2016 | 39858992 |
| 2017 | 39898331 |
| 2018 | 40512312 |