| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 30.60 |
| 8 | 2016 | 30.10 |
| 9 | 2015 | 30.60 |
| 10 | 2014 | 31.60 |
| 11 | 2013 | 32.20 |
| 12 | 2012 | 31.60 |
| 13 | 2011 | 30.70 |
| 14 | 2010 | 29.80 |
| 15 | 2005 | 21.80 |
| 16 | 2000 | 23.50 |
| 17 | 1995 | 24.10 |
| 18 | 1990 | 18.30 |
| 19 | 1985 | 12.80 |
| 20 | 1980 | 9.60 |
| 21 | 1978 | 9.00 |
