| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2021 | |
| 6 | 2020 | |
| 7 | 2019 | 18.04 |
| 8 | 2018 | 18.08 |
| 9 | 2017 | 18.93 |
| 10 | 2016 | 19.53 |
| 11 | 2015 | 19.12 |
| 12 | 2014 | 18.96 |
| 13 | 2013 | 20.02 |
| 14 | 2012 | 19.56 |
| 15 | 2011 | 19.57 |
| 16 | 2010 | 20.73 |
| 17 | 2009 | 21.50 |
| 18 | 2008 | 22.13 |
| 19 | 2007 | 22.53 |
| 20 | 2006 | 22.70 |
| 21 | 2005 | 24.12 |
| 22 | 2004 | 22.47 |
| 23 | 2003 | 24.63 |
| 24 | 2002 | 24.43 |
| 25 | 2000 | 26.02 |
| 26 | 1999 | 27.51 |
| 27 | 1998 | 27.02 |
| 28 | 1990 | 31.67 |
| 29 | 1982 | 39.17 |
| 30 | 1964 | 39.15 |
| 31 | 1953 | 34.49 |
