| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 34.23 |
| 8 | 2016 | 32.22 |
| 9 | 2015 | 31.36 |
| 10 | 2014 | 34.77 |
| 11 | 2013 | 34.03 |
| 12 | 2012 | 26.85 |
| 13 | 2011 | 30.54 |
| 14 | 2010 | 26.76 |
| 15 | 2009 | 26.88 |
| 16 | 2008 | 20.39 |
| 17 | 2007 | 36.79 |
| 18 | 2006 | 42.96 |
| 19 | 2005 | 28.82 |
| 20 | 2004 | 35.00 |
| 21 | 2003 | 37.15 |
| 22 | 2002 | 16.20 |
| 23 | 2001 | 46.14 |
| 24 | 2000 | 52.35 |
| 25 | 1999 | 13.44 |
| 26 | 1998 | 15.32 |
| 27 | 1997 | 6.21 |
| 28 | 1996 | 9.49 |
| 29 | 1987 | 45.30 |
| 30 | 1986 | 41.11 |
| 31 | 1981 | 26.68 |
| 32 | 1980 | 43.05 |
| 33 | 1979 | 59.98 |
| 34 | 1978 | 48.71 |
| 35 | 1977 | 64.39 |
| 36 | 1975 | 52.04 |
| 37 | 1974 | 48.22 |
| 38 | 1973 | 53.66 |
| 39 | 1972 | 64.96 |
| 40 | 1971 | 52.99 |
| 41 | 1970 | 64.76 |
| 42 | 1969 | 67.09 |
| 43 | 1968 | 81.70 |
| 44 | 1967 | 85.58 |
| 45 | 1966 | 86.04 |
| 46 | 1965 | 86.85 |
| 47 | 1964 | 86.34 |
| 48 | 1963 | 85.30 |
| 49 | 1962 | 89.44 |
