| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | |
| 8 | 2017 | |
| 9 | 2016 | |
| 10 | 2015 | |
| 11 | 2014 | 33.66 |
| 12 | 2013 | 33.37 |
| 13 | 2012 | 33.89 |
| 14 | 2011 | 30.60 |
| 15 | 2010 | 30.48 |
| 16 | 2009 | 37.19 |
| 17 | 2008 | 38.39 |
| 18 | 2007 | 38.28 |
| 19 | 2006 | 37.55 |
| 20 | 2005 | 37.43 |
| 21 | 2004 | 38.46 |
| 22 | 2003 | 41.51 |
| 23 | 2002 | 40.23 |
| 24 | 2001 | 43.40 |
| 25 | 2000 | 42.23 |
| 26 | 1999 | 50.95 |
| 27 | 1998 | 52.81 |
| 28 | 1995 | 57.50 |
| 29 | 1990 | 57.60 |
| 30 | 1982 | 69.20 |
