| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 37876.44 |
| 8 | 2015 | 21645.52 |
| 9 | 2014 | 45556.22 |
| 10 | 2013 | 29336.92 |
| 11 | 2012 | 58901.83 |
| 12 | 2011 | 43333.10 |
| 13 | 2010 | 42994.18 |
| 14 | 2009 | 25668.07 |
| 15 | 2008 | 37772.47 |
| 16 | 2007 | 34076.39 |
| 17 | 2006 | 10675.81 |
| 18 | 2005 | 4177.70 |
| 19 | 2004 | 1389.47 |
| 20 | 2003 | 6263.07 |
| 21 | 2002 | 3207.31 |
| 22 | 2001 | -2767.56 |
| 23 | 2000 | 26564.12 |
| 24 | 1999 | 4935.32 |
| 25 | 1998 | 1217.04 |
| 26 | 1997 | 5527.79 |
| 27 | 1996 | 3666.13 |
| 28 | 1995 | 1869.29 |
| 29 | 1994 | 1998.85 |
| 30 | 1993 | 1473.25 |
| 31 | 1992 | 1471.42 |
| 32 | 1991 | 1737.76 |
| 33 | 1990 | 4104.02 |
| 34 | 1989 | 3580.38 |
| 35 | 1988 | 2373.91 |
| 36 | 1987 | 1716.08 |
| 37 | 1986 | 742.59 |
| 38 | 1985 | 796.50 |
| 39 | 1984 | 492.74 |
| 40 | 1983 | 162.31 |
| 41 | 1982 | 174.75 |
| 42 | 1981 | 67.14 |
| 43 | 1980 | 117.12 |
| 44 | 1979 | 174.38 |
| 45 | 1978 | 438.08 |
| 46 | 1977 | 227.02 |
| 47 | 1976 | 314.30 |
| 48 | 1975 | 390.00 |
| 49 | 1974 | 361.00 |
| 50 | 1973 | 102.00 |
| 51 | 1972 | 156.00 |
| 52 | 1971 | 130.00 |
| 53 | 1970 | 160.00 |
