| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 1.38 |
| 8 | 2016 | 0.35 |
| 9 | 2015 | 0.52 |
| 10 | 2014 | 0.10 |
| 11 | 2013 | 0.13 |
| 12 | 2012 | 0.43 |
| 13 | 2011 | 1.21 |
| 14 | 2010 | 1.52 |
| 15 | 2009 | 3.54 |
| 16 | 2008 | 1.44 |
| 17 | 2007 | 2.70 |
| 18 | 2006 | 0.25 |
| 19 | 2005 | 0.84 |
| 20 | 2004 | 1.89 |
| 21 | 2003 | 1.39 |
| 22 | 2002 | 2.13 |
| 23 | 2001 | 2.71 |
| 24 | 2000 | 10.65 |
| 25 | 1999 | 12.27 |
| 26 | 1998 | 5.71 |
| 27 | 1997 | 2.18 |
| 28 | 1996 | 1.25 |
| 29 | 1995 | 4.21 |
| 30 | 1994 | 4.17 |
| 31 | 1993 | 5.27 |
| 32 | 1980 | 30.98 |
| 33 | 1979 | 29.25 |
| 34 | 1978 | 32.49 |
| 35 | 1977 | 43.01 |
| 36 | 1976 | 37.30 |
| 37 | 1975 | 25.65 |
| 38 | 1974 | 31.51 |
| 39 | 1973 | 16.73 |
| 40 | 1971 | 27.27 |
| 41 | 1970 | 26.28 |
| 42 | 1969 | 17.89 |
| 43 | 1968 | 17.50 |
| 44 | 1967 | 24.15 |
| 45 | 1966 | 26.25 |
| 46 | 1965 | 20.74 |
| 47 | 1964 | 31.89 |
| 48 | 1963 | 19.12 |
| 49 | 1962 | 35.94 |
