| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | |
| 8 | 2016 | |
| 9 | 2015 | |
| 10 | 2014 | |
| 11 | 2013 | 47.71 |
| 12 | 2012 | 45.68 |
| 13 | 2011 | 49.94 |
| 14 | 2010 | 45.52 |
| 15 | 2009 | 48.98 |
| 16 | 2008 | 51.39 |
| 17 | 2007 | 50.58 |
| 18 | 2006 | 43.12 |
| 19 | 2005 | 50.04 |
| 20 | 2004 | 52.03 |
| 21 | 2003 | 55.38 |
| 22 | 2002 | 56.90 |
| 23 | 2001 | 44.17 |
| 24 | 2000 | 38.08 |
| 25 | 1999 | 42.67 |
| 26 | 1998 | 39.69 |
| 27 | 1997 | 38.61 |
| 28 | 1996 | 38.72 |
| 29 | 1995 | 43.57 |
| 30 | 1994 | 42.35 |
| 31 | 1993 | 55.60 |
| 32 | 1992 | 54.72 |
| 33 | 1991 | 54.46 |
| 34 | 1990 | 64.28 |
| 35 | 1989 | 59.24 |
| 36 | 1988 | 60.01 |
| 37 | 1987 | 66.12 |
| 38 | 1986 | 68.92 |
| 39 | 1985 | 76.59 |
| 40 | 1984 | 77.82 |
| 41 | 1983 | 70.65 |
| 42 | 1982 | 80.56 |
| 43 | 1981 | 77.12 |
| 44 | 1980 | 84.49 |
| 45 | 1979 | 80.60 |
| 46 | 1978 | 74.58 |
| 47 | 1977 | 79.09 |
| 48 | 1976 | 59.93 |
| 49 | 1975 | 70.75 |
