单位:%
                时间范围:1978 - 2024
                            | 序号 | 时间(年) | 数据(%) | 
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | 4.30 | 
| 7 | 2018 | 7.80 | 
| 8 | 2017 | 8.13 | 
| 9 | 2016 | 7.40 | 
| 10 | 2015 | 8.38 | 
| 11 | 2014 | 7.80 | 
| 12 | 2013 | 9.77 | 
| 13 | 2012 | 8.11 | 
| 14 | 2011 | 13.00 | 
| 15 | 2010 | 14.50 | 
| 16 | 2009 | 9.70 | 
| 17 | 2008 | 10.80 | 
| 18 | 2007 | 15.00 | 
| 19 | 2006 | 15.20 | 
| 20 | 2005 | 12.60 | 
| 21 | 2004 | 12.20 | 
| 22 | 2003 | 11.00 | 
| 23 | 2002 | 8.50 | 
| 24 | 2001 | 5.30 | 
| 25 | 2000 | 10.19 | 
| 26 | 1999 | 9.49 | 
| 27 | 1998 | 8.20 | 
| 28 | 1997 | 6.30 | 
| 29 | 1996 | 11.41 | 
| 30 | 1995 | 19.45 | 
| 31 | 1994 | 23.15 | 
| 32 | 1993 | 28.96 | 
| 33 | 1992 | 25.52 | 
| 34 | 1991 | 15.07 | 
| 35 | 1990 | 10.15 | 
| 36 | 1989 | 11.16 | 
| 37 | 1988 | 13.59 | 
| 38 | 1987 | 26.41 | 
| 39 | 1986 | 13.02 | 
| 40 | 1985 | 13.08 | 
| 41 | 1984 | 10.83 | 
| 42 | 1983 | 6.46 | 
| 43 | 1982 | 13.30 | 
| 44 | 1981 | 8.87 | 
| 45 | 1980 | 11.92 | 
| 46 | 1979 | 11.46 | 
| 47 | 1978 | 0.00 | 
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