| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 28.22 |
| 8 | 2015 | 26.85 |
| 9 | 2014 | 24.27 |
| 10 | 2013 | 27.29 |
| 11 | 2012 | 25.75 |
| 12 | 2011 | 26.08 |
| 13 | 2010 | 24.54 |
| 14 | 2009 | 30.09 |
| 15 | 2008 | 25.52 |
| 16 | 2007 | 24.82 |
| 17 | 2006 | 19.79 |
| 18 | 2005 | 21.32 |
| 19 | 2004 | 23.33 |
| 20 | 2003 | 27.40 |
| 21 | 2002 | 27.01 |
| 22 | 2001 | 24.38 |
| 23 | 1983 | 23.52 |
| 24 | 1982 | 25.12 |
| 25 | 1981 | 21.17 |
| 26 | 1980 | 24.83 |
| 27 | 1979 | 23.94 |
| 28 | 1978 | 28.66 |
| 29 | 1977 | 30.09 |
| 30 | 1976 | 37.14 |
| 31 | 1975 | 34.60 |
| 32 | 1974 | 38.30 |
| 33 | 1973 | 31.25 |
| 34 | 1972 | 31.73 |
| 35 | 1971 | 33.32 |
| 36 | 1970 | 28.96 |
| 37 | 1969 | 33.39 |
| 38 | 1968 | 40.94 |
| 39 | 1967 | 39.94 |
| 40 | 1966 | 49.79 |
| 41 | 1965 | 36.37 |
| 42 | 1964 | 33.81 |
| 43 | 1963 | 38.75 |
| 44 | 1962 | 35.38 |
