单位:%
                时间范围:1949 - 2024
                数据来源:国家统计局
            | 序号 | 时间(年) | 数据(%) | 
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | 63.37 | 
| 7 | 2018 | 62.71 | 
| 8 | 2017 | 62.02 | 
| 9 | 2016 | 61.19 | 
| 10 | 2015 | 60.30 | 
| 11 | 2014 | 59.51 | 
| 12 | 2013 | 58.71 | 
| 13 | 2012 | 57.74 | 
| 14 | 2011 | 56.62 | 
| 15 | 2010 | 55.53 | 
| 16 | 2009 | 52.61 | 
| 17 | 2008 | 51.06 | 
| 18 | 2007 | 49.66 | 
| 19 | 2006 | 48.28 | 
| 20 | 2005 | 46.87 | 
| 21 | 2004 | 45.70 | 
| 22 | 2003 | 44.62 | 
| 23 | 2002 | 43.96 | 
| 24 | 2001 | 43.47 | 
| 25 | 2000 | 42.75 | 
| 26 | 1999 | 40.97 | 
| 27 | 1998 | 39.94 | 
| 28 | 1997 | 38.94 | 
| 29 | 1996 | 38.46 | 
| 30 | 1995 | 38.22 | 
| 31 | 1994 | 37.57 | 
| 32 | 1993 | 37.26 | 
| 33 | 1992 | 37.03 | 
| 34 | 1991 | 36.97 | 
| 35 | 1990 | 36.12 | 
| 36 | 1989 | 49.75 | 
| 37 | 1988 | 49.37 | 
| 38 | 1987 | 48.61 | 
| 39 | 1986 | 45.68 | 
| 40 | 1985 | 43.36 | 
| 41 | 1984 | 42.50 | 
| 42 | 1983 | 29.13 | 
| 43 | 1982 | 29.11 | 
| 44 | 1981 | 23.40 | 
| 45 | 1980 | 23.08 | 
| 46 | 1978 | 21.80 | 
| 47 | 1975 | 21.83 | 
| 48 | 1970 | 21.52 | 
| 49 | 1965 | 20.70 | 
| 50 | 1957 | 18.74 | 
| 51 | 1952 | 12.84 | 
| 52 | 1949 | 12.37 | 
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