| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 10.76 |
| 8 | 2016 | 11.36 |
| 9 | 2015 | 12.27 |
| 10 | 2014 | 13.07 |
| 11 | 2013 | 13.44 |
| 12 | 2012 | 13.09 |
| 13 | 2011 | 13.11 |
| 14 | 2010 | 14.24 |
| 15 | 2009 | 14.42 |
| 16 | 2008 | 14.33 |
| 17 | 2007 | 14.85 |
| 18 | 2006 | 14.56 |
| 19 | 2005 | 15.96 |
| 20 | 2004 | 18.06 |
| 21 | 2003 | 16.80 |
| 22 | 2002 | 17.34 |
| 23 | 2001 | 18.05 |
| 24 | 2000 | 17.82 |
| 25 | 1999 | 19.38 |
| 26 | 1998 | 20.15 |
| 27 | 1997 | 20.86 |
| 28 | 1996 | 21.92 |
| 29 | 1995 | 23.38 |
| 30 | 1990 | 25.42 |
| 31 | 1985 | 30.33 |
| 32 | 1980 | 31.06 |
| 33 | 1978 | 28.52 |
| 34 | 1975 | 38.15 |
| 35 | 1970 | 44.52 |
| 36 | 1965 | 51.16 |
| 37 | 1962 | 49.39 |
| 38 | 1957 | 49.92 |
| 39 | 1952 | 62.31 |
