| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | |
| 8 | 2014 | |
| 9 | 2013 | |
| 10 | 2012 | |
| 11 | 2011 | 27780.12 |
| 12 | 2010 | -2852.97 |
| 13 | 2009 | -41354.36 |
| 14 | 2008 | 3017.44 |
| 15 | 2007 | -9272.62 |
| 16 | 2006 | -1084.91 |
| 17 | 2005 | -3175.63 |
| 18 | 2004 | -3022.63 |
| 19 | 2003 | -11912.90 |
| 20 | 2002 | -1915.81 |
| 21 | 2001 | -6254.05 |
| 22 | 2000 | -9593.11 |
| 23 | 1999 | -29649.27 |
| 24 | 1998 | -10962.60 |
| 25 | 1997 | -2857.53 |
| 26 | 1996 | -11129.40 |
| 27 | 1995 | -45456.89 |
| 28 | 1994 | -5695.04 |
| 29 | 1993 | -6195.08 |
| 30 | 1992 | -10429.97 |
| 31 | 1991 | -11671.89 |
| 32 | 1990 | -15538.67 |
| 33 | 1989 | -22125.93 |
| 34 | 1988 | -11965.86 |
| 35 | 1987 | -11541.06 |
| 36 | 1986 | -9951.72 |
| 37 | 1985 | -8243.11 |
| 38 | 1984 | -11341.62 |
| 39 | 1983 | -13774.29 |
| 40 | 1982 | -8411.48 |
| 41 | 1981 | -8556.20 |
| 42 | 1980 | -5978.75 |
| 43 | 1979 | -4097.51 |
| 44 | 1978 | -3404.45 |
| 45 | 1977 | -1802.93 |
| 46 | 1976 | -2271.45 |
