| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 31.62 |
| 8 | 2017 | 31.30 |
| 9 | 2016 | 30.56 |
| 10 | 2015 | 30.34 |
| 11 | 2014 | 31.70 |
| 12 | 2013 | 33.86 |
| 13 | 2012 | 35.53 |
| 14 | 2011 | 37.24 |
| 15 | 2010 | 35.77 |
| 16 | 2009 | 33.55 |
| 17 | 2008 | 36.33 |
| 18 | 2007 | 37.70 |
| 19 | 2006 | 37.46 |
| 20 | 2005 | 34.36 |
| 21 | 2004 | 32.65 |
| 22 | 2003 | 29.89 |
| 23 | 2002 | 29.44 |
| 24 | 2001 | 29.04 |
| 25 | 2000 | 29.03 |
| 26 | 1999 | 28.60 |
| 27 | 1998 | 28.47 |
| 28 | 1997 | 29.35 |
| 29 | 1996 | 28.87 |
| 30 | 1995 | 29.10 |
| 31 | 1994 | 29.15 |
| 32 | 1993 | 27.71 |
| 33 | 1992 | 26.28 |
| 34 | 1991 | 25.87 |
| 35 | 1979 | 35.83 |
| 36 | 1978 | 34.03 |
| 37 | 1977 | 61.84 |
| 38 | 1976 | 31.21 |
| 39 | 1975 | 28.78 |
| 40 | 1974 | 31.82 |
| 41 | 1973 | 30.21 |
| 42 | 1972 | 28.75 |
| 43 | 1971 | 28.48 |
| 44 | 1970 | 28.25 |
| 45 | 1969 | 28.26 |
| 46 | 1968 | 27.68 |
| 47 | 1967 | 27.74 |
| 48 | 1966 | 26.44 |
| 49 | 1965 | 26.37 |
| 50 | 1964 | 26.77 |
| 51 | 1963 | 26.01 |
| 52 | 1962 | 27.70 |
| 53 | 1961 | 27.68 |
| 54 | 1960 | 28.22 |
