| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2025 |
|
| 2 |
2024 |
|
| 3 |
2023 |
|
| 4 |
2022 |
|
| 5 |
2021 |
|
| 6 |
2020 |
|
| 7 |
2019 |
29.27 |
| 8 |
2018 |
30.01 |
| 9 |
2017 |
28.66 |
| 10 |
2016 |
28.65 |
| 11 |
2015 |
27.62 |
| 12 |
2014 |
27.39 |
| 13 |
2013 |
26.34 |
| 14 |
2012 |
26.48 |
| 15 |
2011 |
27.38 |
| 16 |
2010 |
25.06 |
| 17 |
2009 |
23.58 |
| 18 |
2008 |
26.29 |
| 19 |
2007 |
27.28 |
| 20 |
2006 |
25.41 |
| 21 |
2005 |
23.13 |
| 22 |
2004 |
23.27 |
| 23 |
2003 |
20.80 |
| 24 |
2002 |
21.83 |
| 25 |
2001 |
22.29 |
| 26 |
2000 |
22.14 |
| 27 |
1999 |
22.29 |
| 28 |
1990 |
24.76 |
| 29 |
1989 |
23.52 |
| 30 |
1988 |
22.52 |
| 31 |
1987 |
21.35 |
| 32 |
1986 |
22.18 |
| 33 |
1985 |
20.68 |
| 34 |
1984 |
19.89 |
| 35 |
1983 |
19.27 |
| 36 |
1982 |
18.71 |
| 37 |
1981 |
18.40 |
| 38 |
1980 |
19.76 |
| 39 |
1979 |
20.98 |
| 40 |
1978 |
21.52 |
| 41 |
1977 |
20.63 |
| 42 |
1976 |
20.92 |
| 43 |
1975 |
20.40 |
| 44 |
1974 |
23.90 |
| 45 |
1973 |
25.06 |
| 46 |
1972 |
25.33 |
| 47 |
1971 |
26.49 |
