单位:%
时间范围:1980 - 2021
数据来源:DOE
序号 | 时间(年) | 数据(%) |
---|---|---|
1 | 2021 | |
2 | 2020 | |
3 | 2019 | |
4 | 2018 | |
5 | 2017 | |
6 | 2016 | 1.44 |
7 | 2015 | 1.50 |
8 | 2014 | 1.50 |
9 | 2013 | 1.59 |
10 | 2012 | 1.65 |
11 | 2011 | 1.69 |
12 | 2010 | 1.81 |
13 | 2009 | 1.86 |
14 | 2008 | 1.97 |
15 | 2007 | 2.01 |
16 | 2006 | 2.12 |
17 | 2005 | 2.23 |
18 | 2004 | 2.26 |
19 | 2003 | 2.37 |
20 | 2002 | 2.43 |
21 | 2001 | 2.50 |
22 | 2000 | 2.53 |
23 | 1999 | 2.58 |
24 | 1998 | 2.59 |
25 | 1997 | 2.60 |
26 | 1996 | 2.67 |
27 | 1995 | 2.58 |
28 | 1994 | 2.58 |
29 | 1993 | 2.70 |
30 | 1992 | 2.74 |
31 | 1991 | 2.75 |
32 | 1990 | 2.73 |
33 | 1989 | 2.79 |
34 | 1988 | 2.86 |
35 | 1987 | 2.89 |
36 | 1986 | 2.91 |
37 | 1985 | 2.89 |
38 | 1984 | 2.85 |
39 | 1983 | 3.00 |
40 | 1982 | 3.08 |
41 | 1981 | 3.22 |
42 | 1980 | 3.32 |
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