| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 18670.37 |
| 8 | 2015 | 17692.92 |
| 9 | 2014 | 16538.41 |
| 10 | 2013 | 13079.14 |
| 11 | 2012 | -10486.00 |
| 12 | 2011 | -23973.55 |
| 13 | 2010 | -14863.64 |
| 14 | 2009 | -13119.00 |
| 15 | 2008 | -4010.09 |
| 16 | 2007 | -30883.26 |
| 17 | 2006 | -24574.00 |
| 18 | 2005 | -17858.24 |
| 19 | 2004 | 15087.39 |
| 20 | 2003 | 19996.99 |
| 21 | 2002 | 10210.96 |
| 22 | 2001 | -2401.66 |
| 23 | 2000 | -9105.67 |
| 24 | 1999 | -6190.68 |
| 25 | 1998 | -4892.21 |
| 26 | 1997 | -6954.51 |
| 27 | 1996 | -16522.55 |
| 28 | 1995 | -17034.17 |
| 29 | 1994 | -4328.21 |
| 30 | 1993 | -8865.36 |
| 31 | 1992 | -12783.95 |
| 32 | 1991 | -4048.80 |
| 33 | 1990 | -3559.67 |
| 34 | 1989 | -2150.47 |
| 35 | 1988 | 1755.03 |
| 36 | 1987 | 4277.93 |
| 37 | 1986 | -1824.92 |
| 38 | 1985 | -9569.36 |
| 39 | 1984 | -14132.93 |
| 40 | 1983 | -16093.71 |
| 41 | 1982 | -11502.87 |
| 42 | 1981 | -11554.52 |
| 43 | 1980 | -16986.94 |
| 44 | 1979 | -12161.19 |
| 45 | 1978 | -4899.00 |
| 46 | 1977 | 1265.00 |
| 47 | 1976 | 3749.00 |
| 48 | 1975 | 5733.54 |
| 49 | 1974 | 6696.33 |