| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 18415.54 |
| 8 | 2015 | 18530.45 |
| 9 | 2014 | 24070.86 |
| 10 | 2012 | 21782.92 |
| 11 | 2011 | 19973.69 |
| 12 | 2010 | 17751.33 |
| 13 | 2009 | 17023.49 |
| 14 | 2008 | 17659.76 |
| 15 | 2007 | 12805.24 |
| 16 | 2006 | 10083.48 |
| 17 | 2005 | 9259.98 |
| 18 | 2004 | 7831.03 |
| 19 | 2003 | 6501.15 |
| 20 | 1995 | 5349.71 |
| 21 | 1994 | 4494.25 |
| 22 | 1993 | 4953.73 |
| 23 | 1992 | 5827.20 |
| 24 | 1991 | 5360.07 |
| 25 | 1990 | 4522.84 |
| 26 | 1989 | 3565.14 |
| 27 | 1988 | 4429.14 |
| 28 | 1987 | 4415.14 |
| 29 | 1986 | 2854.15 |
| 30 | 1985 | 2821.98 |
| 31 | 1984 | 3264.65 |
| 32 | 1983 | 2880.10 |
| 33 | 1982 | 2510.32 |
| 34 | 1981 | 2488.51 |
| 35 | 1980 | 2237.34 |