| 年度 | 实际值 |
|---|---|
| 1992 | 1970 |
| 1993 | 2362 |
| 1994 | 3432 |
| 1995 | 4314 |
| 1996 | 4404 |
| 1997 | 7203 |
| 1998 | 2398 |
| 1999 | 7306 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 44394 |
| 2004 | 64303 |
| 2005 | 68931 |
| 2006 | 78095 |
| 2007 | 110883 |
| 2008 | 145408 |
| 2009 | |
| 2010 | 176305 |
| 2011 | 233303 |
| 2012 | 350342 |
| 2013 | 296215 |
| 2014 | 353778 |
| 2015 | 411622 |
| 2016 | 498172 |
| 2017 | 548306 |
| 2018 | 536673 |