| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 3.49 |
| 8 | 2016 | 4.73 |
| 9 | 2015 | 4.40 |
| 10 | 2014 | 5.24 |
| 11 | 2013 | 8.21 |
| 12 | 2012 | 13.57 |
| 13 | 2011 | 3.68 |
| 14 | 2010 | 7.93 |
| 15 | 2009 | 18.06 |
| 16 | 2008 | 9.19 |
| 17 | 2007 | 4.86 |
| 18 | 2006 | 4.96 |
| 19 | 2005 | 5.11 |
| 20 | 2004 | 7.25 |
| 21 | 2003 | 6.93 |
| 22 | 2002 | 8.32 |
| 23 | 2001 | 13.90 |
| 24 | 2000 | 18.27 |
| 25 | 1999 | 18.16 |
| 26 | 1998 | 20.89 |
| 27 | 1997 | 21.50 |
| 28 | 1996 | 23.98 |
| 29 | 1995 | 25.64 |
| 30 | 1994 | 25.95 |
| 31 | 1993 | 23.68 |
| 32 | 1992 | 20.29 |
| 33 | 1991 | 13.75 |
| 34 | 1987 | 54.09 |
| 35 | 1986 | 51.95 |
| 36 | 1985 | 53.25 |
| 37 | 1984 | 53.02 |
| 38 | 1983 | 56.42 |
| 39 | 1982 | 58.99 |
| 40 | 1981 | 66.20 |
| 41 | 1980 | 62.67 |
| 42 | 1979 | 52.21 |
| 43 | 1978 | 59.40 |
| 44 | 1977 | 55.49 |
| 45 | 1976 | 57.17 |
| 46 | 1975 | 54.39 |
| 47 | 1974 | 57.88 |
| 48 | 1973 | 49.44 |
| 49 | 1972 | 46.53 |
| 50 | 1963 | 7.16 |
| 51 | 1962 | 7.74 |
