| 序号 |
时间(年) |
数据(单位：亿美元) |
| 1 |
2021 |
|
| 2 |
2020 |
|
| 3 |
2019 |
|
| 4 |
2018 |
|
| 5 |
2017 |
|
| 6 |
2016 |
|
| 7 |
2015 |
58.92 |
| 8 |
2014 |
60.24 |
| 9 |
2013 |
64.51 |
| 10 |
2012 |
70.16 |
| 11 |
2011 |
73.79 |
| 12 |
2010 |
65.44 |
| 13 |
2009 |
57.97 |
| 14 |
2008 |
50.86 |
| 15 |
2007 |
44.56 |
| 16 |
2006 |
40.00 |
| 17 |
2005 |
37.78 |
| 18 |
2004 |
37.26 |
| 19 |
2003 |
26.82 |
| 20 |
2002 |
20.11 |
| 21 |
2001 |
16.55 |
| 22 |
2000 |
17.49 |
| 23 |
1999 |
19.68 |
| 24 |
1998 |
21.50 |
| 25 |
1997 |
20.78 |
| 26 |
1996 |
17.17 |
| 27 |
1995 |
15.80 |
| 28 |
1994 |
15.30 |
| 29 |
1993 |
21.30 |
| 30 |
1992 |
19.57 |
| 31 |
1991 |
20.59 |
| 32 |
1990 |
17.23 |
| 33 |
1989 |
14.77 |
| 34 |
1988 |
13.87 |
| 35 |
1987 |
12.30 |
| 36 |
1986 |
11.73 |
| 37 |
1985 |
11.79 |
| 38 |
1984 |
11.84 |
| 39 |
1983 |
11.65 |
| 40 |
1982 |
11.97 |
| 41 |
1981 |
11.92 |
| 42 |
1980 |
11.69 |
| 43 |
1979 |
10.48 |
| 44 |
1978 |
9.05 |
| 45 |
1977 |
7.56 |
| 46 |
1976 |
6.94 |
| 47 |
1975 |
6.83 |
| 48 |
1974 |
5.95 |
| 49 |
1973 |
4.76 |
| 50 |
1972 |
4.08 |
| 51 |
1971 |
3.52 |
| 52 |
1970 |
2.80 |
| 53 |
1969 |
2.74 |
| 54 |
1968 |
2.62 |
| 55 |
1967 |
2.73 |
| 56 |
1966 |
2.57 |
| 57 |
1965 |
2.24 |
| 58 |
1964 |
1.86 |
| 59 |
1963 |
1.82 |
| 60 |
1962 |
2.67 |
