| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 23.99 |
| 8 | 2016 | 23.35 |
| 9 | 2015 | 21.69 |
| 10 | 2014 | 22.78 |
| 11 | 2013 | 24.23 |
| 12 | 2012 | 24.15 |
| 13 | 2011 | 22.95 |
| 14 | 2010 | 22.41 |
| 15 | 2009 | 24.19 |
| 16 | 2008 | 25.94 |
| 17 | 2007 | 25.06 |
| 18 | 2006 | 23.38 |
| 19 | 2005 | 28.14 |
| 20 | 2004 | 28.26 |
| 21 | 2003 | 29.60 |
| 22 | 2002 | 26.07 |
| 23 | 2001 | 26.77 |
| 24 | 2000 | 23.31 |
| 25 | 1999 | 28.58 |
| 26 | 1998 | 29.97 |
| 27 | 1997 | 26.79 |
| 28 | 1996 | 24.71 |
| 29 | 1987 | 21.36 |
| 30 | 1986 | 22.95 |
| 31 | 1981 | 27.46 |
| 32 | 1980 | 24.56 |
| 33 | 1979 | 24.00 |
| 34 | 1978 | 25.30 |
| 35 | 1977 | 23.75 |
| 36 | 1975 | 24.70 |
| 37 | 1974 | 34.81 |
| 38 | 1973 | 37.90 |
| 39 | 1972 | 28.53 |
| 40 | 1971 | 32.25 |
| 41 | 1970 | 28.94 |
| 42 | 1969 | 34.80 |
| 43 | 1968 | 37.21 |
| 44 | 1967 | 38.42 |
| 45 | 1966 | 36.03 |
| 46 | 1965 | 36.89 |
| 47 | 1964 | 37.59 |
| 48 | 1963 | 34.26 |
| 49 | 1962 | 32.34 |
