| 年度 | 实际值 |
|---|---|
| 1997 | 722200 |
| 1998 | 624100 |
| 1999 | 600000 |
| 2000 | 502700 |
| 2001 | 496200 |
| 2002 | 496000 |
| 2003 | 497500 |
| 2004 | 519000 |
| 2005 | 465400 |
| 2006 | 463900 |
| 2007 | 475600 |
| 2008 | 434200 |
| 2009 | |
| 2010 | 452200 |
| 2011 | 447700 |
| 2012 | 480600 |
| 2013 | 502800 |
| 2014 | 559200 |
| 2015 | 51.19 |
| 2016 | 580000 |
| 2017 | 530000 |
| 2018 | 560000 |