| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2021 | |
| 6 | 2020 | |
| 7 | 2019 | 28.17 |
| 8 | 2018 | 27.48 |
| 9 | 2017 | 27.33 |
| 10 | 2016 | 27.28 |
| 11 | 2015 | 27.41 |
| 12 | 2014 | 26.85 |
| 13 | 2013 | 26.72 |
| 14 | 2012 | 26.91 |
| 15 | 2011 | 25.67 |
| 16 | 2010 | 26.15 |
| 17 | 2009 | 29.69 |
| 18 | 2008 | 31.53 |
| 19 | 2007 | 30.11 |
| 20 | 2006 | 31.99 |
| 21 | 2005 | 30.31 |
| 22 | 2004 | 29.26 |
| 23 | 2003 | 29.25 |
| 24 | 2002 | 28.21 |
| 25 | 2001 | 28.56 |
| 26 | 1988 | 32.70 |
| 27 | 1987 | 33.25 |
| 28 | 1986 | 30.18 |
| 29 | 1985 | 29.69 |
| 30 | 1984 | 28.66 |
| 31 | 1983 | 28.31 |
| 32 | 1982 | 30.51 |
| 33 | 1981 | 30.05 |
| 34 | 1980 | 29.32 |
| 35 | 1979 | 29.16 |
| 36 | 1978 | 28.21 |
| 37 | 1977 | 29.60 |
| 38 | 1976 | 27.56 |
| 39 | 1975 | 27.98 |
| 40 | 1974 | 28.36 |
| 41 | 1973 | 26.05 |
| 42 | 1972 | 24.47 |
