单位:万人
                时间范围:2003 - 2019
                数据来源:国家统计局
            | 序号 | 时间(年) | 数据(万人) | 同比(%) | 
|---|---|---|---|
| 1 | 2019 | ||
| 2 | 2018 | ||
| 3 | 2017 | ||
| 4 | 2016 | ||
| 5 | 2015 | ||
| 6 | 2014 | 0.12 | 9.09 | 
| 7 | 2013 | 0.11 | -15.38 | 
| 8 | 2012 | 0.13 | 44.44 | 
| 9 | 2011 | 0.09 | 12.5 | 
| 10 | 2010 | 0.08 | 0 | 
| 11 | 2009 | 0.08 | 0 | 
| 12 | 2008 | 0.08 | -11.11 | 
| 13 | 2007 | 0.09 | -18.18 | 
| 14 | 2006 | 0.11 | -35.29 | 
| 15 | 2005 | 0.17 | 6.25 | 
| 16 | 2004 | 0.16 | 0 | 
| 17 | 2003 | 0.16 | 0 | 
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