| 序号 | 时间 (年) |
数据 (‰) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2021 | |
| 6 | 2020 | |
| 7 | 2019 | |
| 8 | 2018 | |
| 9 | 2017 | |
| 10 | 2016 | |
| 11 | 2015 | 10.59 |
| 12 | 2014 | 11.50 |
| 13 | 2013 | 11.33 |
| 14 | 2012 | 11.27 |
| 15 | 2011 | 10.70 |
| 16 | 2010 | 10.95 |
| 17 | 2009 | 11.23 |
| 18 | 2008 | 11.52 |
| 19 | 2007 | 11.57 |
| 20 | 2006 | 11.81 |
| 21 | 2005 | 12.09 |
| 22 | 2000 | 19.56 |
| 23 | 1995 | 13.57 |
| 24 | 1990 | 23.45 |
| 25 | 1985 | 13.90 |
| 26 | 1980 | 15.87 |
| 27 | 1978 | 14.74 |
| 28 | 1975 | 19.42 |
| 29 | 1970 | 30.08 |
| 30 | 1965 | 30.81 |
| 31 | 1962 | 34.47 |
| 32 | 1957 | 28.97 |
| 33 | 1952 | 28.18 |
