| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 1.40 |
| 8 | 2016 | 1.63 |
| 9 | 2015 | 1.50 |
| 10 | 2014 | 1.56 |
| 11 | 2013 | 1.66 |
| 12 | 2012 | 1.73 |
| 13 | 2011 | 2.08 |
| 14 | 2010 | 2.31 |
| 15 | 2009 | 2.67 |
| 16 | 2008 | 2.05 |
| 17 | 2007 | 1.65 |
| 18 | 2006 | 1.32 |
| 19 | 2005 | 1.31 |
| 20 | 1991 | 2.27 |
| 21 | 1990 | 2.28 |
| 22 | 1989 | 2.62 |
| 23 | 1988 | 2.28 |
| 24 | 1987 | 2.21 |
| 25 | 1986 | 2.50 |
| 26 | 1985 | 2.75 |
| 27 | 1984 | 2.80 |
| 28 | 1983 | 3.18 |
| 29 | 1982 | 2.99 |
| 30 | 1981 | 2.68 |
| 31 | 1978 | 2.65 |
| 32 | 1977 | 2.77 |
| 33 | 1976 | 2.56 |
| 34 | 1975 | 2.42 |
