| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 22190.12 |
| 8 | 2015 | 23497.11 |
| 9 | 2014 | 21875.85 |
| 10 | 2013 | 21204.61 |
| 11 | 2012 | 16642.12 |
| 12 | 2011 | 19002.89 |
| 13 | 2010 | 19352.18 |
| 14 | 2009 | 20718.84 |
| 15 | 2008 | 21116.05 |
| 16 | 2007 | 17999.71 |
| 17 | 2006 | 17352.04 |
| 18 | 2005 | 18875.96 |
| 19 | 2004 | 28827.54 |
| 20 | 2003 | 63.38 |
| 21 | 2002 | 21.83 |
| 22 | 2001 | 53.05 |
| 23 | 2000 | 133.31 |
| 24 | 1999 | 409.24 |
| 25 | 1998 | 180.65 |
| 26 | 1997 | 305.10 |
| 27 | 1996 | 355.58 |
| 28 | 1995 | 267.12 |
| 29 | 1994 | 530.80 |
| 30 | 1993 | 126.87 |
| 31 | 1992 | 299.76 |
| 32 | 1991 | 1546.52 |
| 33 | 1990 | 3715.03 |
| 34 | 1989 | 4046.00 |
| 35 | 1988 | 2689.99 |
| 36 | 1987 | 1649.82 |
| 37 | 1986 | 1043.28 |
| 38 | 1985 | 1065.75 |
| 39 | 1984 | 1388.18 |
| 40 | 1983 | 1757.43 |
| 41 | 1982 | 1625.65 |
| 42 | 1981 | 1939.48 |
| 43 | 1980 | 2229.13 |
| 44 | 1979 | 1813.26 |
| 45 | 1978 | 1634.74 |
| 46 | 1977 | 2462.65 |
| 47 | 1976 | 2164.01 |
| 48 | 1975 | 1351.41 |
| 49 | 1974 | 1063.60 |
| 50 | 1973 | 1193.07 |
| 51 | 1972 | 1520.01 |
| 52 | 1971 | 1350.99 |