单位:‰
                时间范围:1985 - 2023
                数据来源:国家统计局
            | 序号 | 时间(年) | 数据(‰) | 
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | 3.20 | 
| 7 | 2017 | 3.15 | 
| 8 | 2016 | 3.02 | 
| 9 | 2015 | 2.79 | 
| 10 | 2014 | 2.67 | 
| 11 | 2013 | 2.57 | 
| 12 | 2012 | 2.29 | 
| 13 | 2011 | 2.13 | 
| 14 | 2010 | 2.00 | 
| 15 | 2009 | 1.85 | 
| 16 | 2008 | 1.71 | 
| 17 | 2007 | 1.59 | 
| 18 | 2006 | 1.46 | 
| 19 | 2005 | 1.37 | 
| 20 | 2004 | 1.28 | 
| 21 | 2003 | 1.05 | 
| 22 | 2002 | 0.90 | 
| 23 | 2001 | 0.98 | 
| 24 | 2000 | 0.96 | 
| 25 | 1999 | 0.96 | 
| 26 | 1998 | 0.96 | 
| 27 | 1997 | 0.97 | 
| 28 | 1996 | 0.93 | 
| 29 | 1995 | 0.88 | 
| 30 | 1994 | 0.82 | 
| 31 | 1993 | 0.77 | 
| 32 | 1992 | 0.74 | 
| 33 | 1991 | 0.72 | 
| 34 | 1990 | 0.69 | 
| 35 | 1989 | 0.68 | 
| 36 | 1985 | 0.44 | 
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