| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 14.50 |
| 8 | 2017 | 14.34 |
| 9 | 2016 | 14.13 |
| 10 | 2015 | 14.11 |
| 11 | 2014 | 14.10 |
| 12 | 2013 | 14.30 |
| 13 | 2012 | 14.42 |
| 14 | 2011 | 14.55 |
| 15 | 2010 | 14.71 |
| 16 | 2009 | 17.05 |
| 17 | 2008 | 17.75 |
| 18 | 2007 | 18.13 |
| 19 | 2006 | 18.70 |
| 20 | 2005 | 19.76 |
| 21 | 2004 | 19.81 |
| 22 | 2003 | 20.90 |
| 23 | 2002 | 22.35 |
| 24 | 2001 | 24.49 |
| 25 | 2000 | 25.02 |
| 26 | 1999 | 26.28 |
| 27 | 1998 | 27.15 |
| 28 | 1997 | 27.63 |
| 29 | 1996 | 28.90 |
| 30 | 1995 | 28.88 |
| 31 | 1994 | 28.31 |
| 32 | 1993 | 29.30 |
| 33 | 1992 | 30.15 |
| 34 | 1991 | 30.21 |
| 35 | 1990 | 28.88 |
| 36 | 1982 | 33.06 |
| 37 | 1964 | 41.26 |
| 38 | 1953 | 36.71 |
