| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2020 | |
| 2 | 2019 | |
| 3 | 2018 | |
| 4 | 2017 | |
| 5 | 2016 | |
| 6 | 2015 | |
| 7 | 2014 | 1900510903.78 |
| 8 | 2013 | 1857576004.10 |
| 9 | 2012 | 1730916778.78 |
| 10 | 2011 | 1770153539.42 |
| 11 | 2010 | 1325532364.90 |
| 12 | 2009 | 878479525.46 |
| 13 | 1994 | 650043087.32 |
| 14 | 1993 | 516245989.46 |
| 15 | 1992 | 620903197.72 |
| 16 | 1991 | 584045851.22 |
| 17 | 1990 | 459519084.11 |
| 18 | 1989 | 428584956.40 |
| 19 | 1988 | 384459116.45 |
| 20 | 1987 | 325597638.28 |
| 21 | 1986 | 296291742.97 |
| 22 | 1985 | 445151474.01 |
| 23 | 1984 | 337233424.79 |
| 24 | 1983 | 408518019.62 |
| 25 | 1982 | 421905379.48 |
| 26 | 1981 | 514526901.26 |
| 27 | 1980 | 388507185.34 |
| 28 | 1979 | 273035687.20 |
| 29 | 1978 | 230134072.32 |
| 30 | 1977 | 225891249.46 |
