| 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 | 2009 | 37.45 |
| 12 | 1999 | 41.09 |
| 13 | 1998 | 50.96 |
| 14 | 1997 | 38.14 |
| 15 | 1996 | 56.43 |
| 16 | 1995 | 55.74 |
| 17 | 1990 | 66.02 |
