单位:所
                时间范围:1997 - 2022
                数据来源:国家统计局
            | 序号 | 时间(年) | 数据(所) | 
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | 55.00 | 
| 7 | 2016 | 25.00 | 
| 8 | 2015 | 25.00 | 
| 9 | 2014 | 28.00 | 
| 10 | 2013 | 30.00 | 
| 11 | 2012 | 30.00 | 
| 12 | 2011 | 33.00 | 
| 13 | 2010 | 35.00 | 
| 14 | 2009 | 37.00 | 
| 15 | 2008 | 39.00 | 
| 16 | 2007 | 40.00 | 
| 17 | 2006 | 40.00 | 
| 18 | 2005 | 39.00 | 
| 19 | 2004 | 37.00 | 
| 20 | 2003 | 37.00 | 
| 21 | 2002 | 37.00 | 
| 22 | 2001 | 37.00 | 
| 23 | 2000 | 38.00 | 
| 24 | 1999 | 37.00 | 
| 25 | 1998 | 37.00 | 
| 26 | 1997 | 39.00 | 
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