| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2023 |
|
| 2 |
2022 |
|
| 3 |
2021 |
|
| 4 |
2020 |
|
| 5 |
2019 |
|
| 6 |
2018 |
|
| 7 |
2017 |
29.11 |
| 8 |
2016 |
28.91 |
| 9 |
2015 |
28.79 |
| 10 |
2014 |
28.62 |
| 11 |
2013 |
28.46 |
| 12 |
2012 |
28.29 |
| 13 |
2011 |
28.10 |
| 14 |
2010 |
27.97 |
| 15 |
2009 |
27.40 |
| 16 |
2008 |
27.13 |
| 17 |
2007 |
26.90 |
| 18 |
2006 |
26.71 |
| 19 |
2005 |
26.49 |
| 20 |
2004 |
25.88 |
| 21 |
2003 |
25.60 |
| 22 |
2002 |
25.44 |
| 23 |
2001 |
25.43 |
| 24 |
2000 |
25.24 |
| 25 |
1999 |
25.10 |
| 26 |
1998 |
24.98 |
| 27 |
1997 |
24.59 |
| 28 |
1996 |
24.65 |
| 29 |
1995 |
24.52 |
| 30 |
1994 |
24.49 |
| 31 |
1993 |
24.32 |
| 32 |
1992 |
24.15 |
| 33 |
1991 |
24.05 |
| 34 |
1990 |
24.01 |
| 35 |
1985 |
22.29 |
| 36 |
1980 |
21.90 |
| 37 |
1978 |
21.65 |
| 38 |
1965 |
23.62 |
| 39 |
1958 |
20.37 |
| 40 |
1952 |
17.96 |
| 41 |
1949 |
17.85 |
