| 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 |
61.75 |
| 8 |
2014 |
69.03 |
| 9 |
2013 |
56.63 |
| 10 |
2012 |
51.04 |
| 11 |
2011 |
64.17 |
| 12 |
2010 |
76.26 |
| 13 |
2009 |
67.40 |
| 14 |
2008 |
61.14 |
| 15 |
2007 |
21.97 |
| 16 |
2006 |
25.42 |
| 17 |
2005 |
20.28 |
| 18 |
2004 |
31.64 |
| 19 |
2003 |
33.23 |
| 20 |
2002 |
24.19 |
| 21 |
2001 |
18.65 |
| 22 |
2000 |
19.19 |
| 23 |
1999 |
20.21 |
| 24 |
1998 |
17.59 |
| 25 |
1997 |
18.93 |
| 26 |
1996 |
18.93 |
| 27 |
1995 |
19.61 |
| 28 |
1994 |
16.37 |
| 29 |
1993 |
13.81 |
| 30 |
1992 |
8.99 |
| 31 |
1991 |
6.29 |
| 32 |
1990 |
8.72 |
| 33 |
1989 |
11.91 |
| 34 |
1988 |
11.34 |
| 35 |
1987 |
9.80 |
| 36 |
1986 |
11.23 |
| 37 |
1985 |
7.21 |
| 38 |
1984 |
11.31 |
| 39 |
1983 |
11.49 |
| 40 |
1982 |
13.94 |
| 41 |
1981 |
18.79 |
| 42 |
1980 |
17.12 |
| 43 |
1979 |
9.33 |
| 44 |
1978 |
4.86 |
| 45 |
1977 |
7.46 |
| 46 |
1976 |
5.34 |
