| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 20.37 |
| 8 | 2016 | 21.04 |
| 9 | 2015 | 20.71 |
| 10 | 2014 | 20.80 |
| 11 | 2013 | 19.20 |
| 12 | 2012 | 20.62 |
| 13 | 2011 | 16.95 |
| 14 | 2010 | 13.08 |
| 15 | 2009 | 17.02 |
| 16 | 2008 | 17.17 |
| 17 | 2007 | 17.04 |
| 18 | 2006 | 17.68 |
| 19 | 2005 | 17.76 |
| 20 | 1997 | 20.53 |
| 21 | 1995 | 20.69 |
| 22 | 1985 | 19.72 |
| 23 | 1984 | 20.00 |
| 24 | 1983 | 20.36 |
| 25 | 1982 | 20.41 |
| 26 | 1981 | 22.70 |
| 27 | 1980 | 21.12 |
| 28 | 1979 | 24.86 |
| 29 | 1978 | 25.35 |
| 30 | 1977 | 24.74 |
| 31 | 1976 | 28.55 |
| 32 | 1975 | 26.37 |
| 33 | 1974 | 27.95 |
| 34 | 1973 | 29.14 |
| 35 | 1972 | 27.65 |
| 36 | 1971 | 25.24 |
