| 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 | 0.75 |
| 12 | 2012 | 0.58 |
| 13 | 2011 | 0.92 |
| 14 | 2010 | 0.74 |
| 15 | 2009 | 0.60 |
| 16 | 2008 | 0.89 |
| 17 | 2007 | 6.66 |
| 18 | 2006 | 8.74 |
| 19 | 2005 | 9.45 |
| 20 | 2004 | 11.38 |
| 21 | 2003 | 9.59 |
| 22 | 2002 | 11.17 |
| 23 | 2001 | 11.67 |
| 24 | 2000 | 13.39 |
| 25 | 1999 | 11.93 |
| 26 | 1998 | 19.56 |
| 27 | 1997 | 16.03 |
| 28 | 1996 | 11.92 |
| 29 | 1995 | 10.38 |
| 30 | 1994 | 3.17 |
| 31 | 1989 | 0.08 |
| 32 | 1988 | 0.07 |
| 33 | 1983 | 0.07 |
| 34 | 1980 | 0.18 |
| 35 | 1979 | 0.23 |
| 36 | 1978 | 0.13 |
| 37 | 1977 | 0.32 |
| 38 | 1976 | 1.75 |
| 39 | 1975 | 1.76 |
