| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | |
| 8 | 2015 | |
| 9 | 2014 | |
| 10 | 2013 | |
| 11 | 2012 | 12584.98 |
| 12 | 2011 | 11448.42 |
| 13 | 2010 | 13992.41 |
| 14 | 2009 | 17420.67 |
| 15 | 2008 | 20550.15 |
| 16 | 2007 | 13432.67 |
| 17 | 2006 | 10886.40 |
| 18 | 2005 | 10432.49 |
| 19 | 2004 | 10680.37 |
| 20 | 2003 | 6476.38 |
| 21 | 1997 | 11651.77 |
| 22 | 1996 | 11720.63 |
| 23 | 1995 | 12211.63 |
| 24 | 1994 | 12381.84 |
| 25 | 1993 | 15242.88 |
| 26 | 1992 | 15091.54 |
| 27 | 1991 | 12990.74 |
| 28 | 1990 | 11416.43 |
| 29 | 1989 | 9293.23 |
| 30 | 1988 | 8356.36 |
| 31 | 1987 | 7694.36 |
| 32 | 1986 | 4672.37 |
| 33 | 1985 | 6623.22 |
| 34 | 1984 | 7429.57 |
| 35 | 1983 | 5131.56 |
| 36 | 1982 | 5573.68 |
| 37 | 1981 | 3976.54 |
| 38 | 1980 | 5031.43 |
| 39 | 1979 | 5688.90 |
| 40 | 1978 | 4211.44 |