| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 9.88 |
| 8 | 2014 | 6.81 |
| 9 | 2013 | 6.34 |
| 10 | 2012 | 5.91 |
| 11 | 2011 | 5.41 |
| 12 | 2010 | 5.39 |
| 13 | 2009 | 3.78 |
| 14 | 2008 | 2.68 |
| 15 | 2007 | 2.48 |
| 16 | 2006 | 2.26 |
| 17 | 2005 | 1.56 |
| 18 | 2004 | 1.27 |
| 19 | 1976 | 6.55 |
| 20 | 1975 | 7.19 |
| 21 | 1974 | 6.96 |
| 22 | 1973 | 11.97 |
| 23 | 1972 | 12.67 |
| 24 | 1971 | 12.48 |
| 25 | 1970 | 14.07 |
| 26 | 1969 | 13.62 |
| 27 | 1968 | 13.62 |
| 28 | 1967 | 14.31 |
| 29 | 1966 | 14.77 |
| 30 | 1965 | 15.22 |
| 31 | 1964 | 9.00 |
| 32 | 1963 | 10.06 |
| 33 | 1962 | 9.90 |
| 34 | 1961 | 10.01 |
| 35 | 1960 | 9.34 |
