| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | |
| 8 | 2014 | |
| 9 | 2013 | |
| 10 | 2012 | |
| 11 | 2011 | 99.81 |
| 12 | 2010 | 99.80 |
| 13 | 2009 | 99.70 |
| 14 | 2008 | 99.70 |
| 15 | 2005 | 99.50 |
| 16 | 2000 | 99.10 |
| 17 | 1995 | 97.70 |
| 18 | 1990 | 96.00 |
| 19 | 1985 | 95.40 |
| 20 | 1980 | 92.20 |
| 21 | 1978 | 94.00 |
| 22 | 1975 | 97.10 |
| 23 | 1965 | 77.10 |
| 24 | 1962 | 67.50 |
