| 序号 |
时间(年) |
数据(单位：亿美元) |
| 1 |
2024 |
|
| 2 |
2023 |
|
| 3 |
2022 |
|
| 4 |
2021 |
|
| 5 |
2020 |
|
| 6 |
2019 |
|
| 7 |
2018 |
41.72 |
| 8 |
2017 |
36.67 |
| 9 |
2016 |
32.15 |
| 10 |
2015 |
31.90 |
| 11 |
2014 |
37.64 |
| 12 |
2013 |
37.18 |
| 13 |
2012 |
36.39 |
| 14 |
2011 |
43.90 |
| 15 |
2010 |
39.27 |
| 16 |
2009 |
40.02 |
| 17 |
2008 |
44.16 |
| 18 |
2007 |
39.65 |
| 19 |
2006 |
34.17 |
| 20 |
2005 |
31.69 |
| 21 |
2004 |
26.91 |
| 22 |
2003 |
21.31 |
| 23 |
2002 |
17.42 |
| 24 |
2001 |
15.52 |
| 25 |
2000 |
12.20 |
| 26 |
1999 |
7.97 |
| 27 |
1998 |
5.93 |
| 28 |
1997 |
4.53 |
| 29 |
1996 |
6.84 |
| 30 |
1995 |
4.77 |
| 31 |
1994 |
3.55 |
| 32 |
1993 |
1.62 |
| 33 |
1992 |
0.37 |
| 34 |
1991 |
0.84 |
| 35 |
1990 |
6.16 |
| 36 |
1989 |
7.41 |
| 37 |
1988 |
6.15 |
| 38 |
1987 |
6.13 |
| 39 |
1986 |
6.72 |
| 40 |
1985 |
6.44 |
| 41 |
1984 |
6.12 |
| 42 |
1983 |
7.03 |
| 43 |
1982 |
7.31 |
| 44 |
1981 |
6.58 |
| 45 |
1980 |
5.65 |
