| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | |
| 8 | 2016 | |
| 9 | 2015 | |
| 10 | 2014 | |
| 11 | 2013 | 7.14 |
| 12 | 2012 | 8.33 |
| 13 | 2011 | 4.12 |
| 14 | 2010 | 3.11 |
| 15 | 2009 | 2.66 |
| 16 | 2008 | 11.21 |
| 17 | 2007 | 21.78 |
| 18 | 2006 | 48.07 |
| 19 | 2005 | 37.80 |
| 20 | 2004 | 16.44 |
| 21 | 2003 | 36.63 |
| 22 | 2002 | 47.89 |
| 23 | 2001 | 48.97 |
| 24 | 2000 | 68.22 |
| 25 | 1999 | 60.84 |
| 26 | 1998 | 58.83 |
| 27 | 1997 | 36.03 |
| 28 | 1996 | 48.59 |
| 29 | 1995 | 44.51 |
| 30 | 1994 | 42.44 |
| 31 | 1993 | 39.38 |
| 32 | 1980 | 26.17 |
| 33 | 1979 | 44.49 |
| 34 | 1978 | 37.61 |
| 35 | 1977 | 23.89 |
| 36 | 1976 | 17.68 |
| 37 | 1975 | 23.73 |
| 38 | 1974 | 21.71 |
| 39 | 1973 | 33.09 |
| 40 | 1971 | 37.78 |
| 41 | 1970 | 44.28 |
| 42 | 1969 | 47.95 |
| 43 | 1968 | 53.47 |
| 44 | 1967 | 47.30 |
| 45 | 1966 | 53.59 |
| 46 | 1965 | 54.46 |
| 47 | 1964 | 43.46 |
| 48 | 1963 | 49.60 |
| 49 | 1962 | 21.08 |
