| 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 | 2879.67 |
| 12 | 2011 | 3641.93 |
| 13 | 2010 | 3559.13 |
| 14 | 2009 | 42003.88 |
| 15 | 2008 | 4785.89 |
| 16 | 2007 | 13063.49 |
| 17 | 2006 | 12854.82 |
| 18 | 2005 | 3997.64 |
| 19 | 2004 | 3254.30 |
| 20 | 2003 | 16860.44 |
| 21 | 2002 | 2016.04 |
| 22 | 2001 | 6318.33 |
| 23 | 2000 | 9649.54 |
| 24 | 1999 | 29802.40 |
| 25 | 1998 | 10943.85 |
| 26 | 1997 | 2831.28 |
| 27 | 1996 | 10983.25 |
| 28 | 1995 | 45456.89 |
| 29 | 1994 | 5971.35 |
| 30 | 1993 | 6205.26 |
| 31 | 1992 | 10634.27 |
| 32 | 1991 | 12059.76 |
| 33 | 1990 | 15541.35 |
| 34 | 1989 | 20339.07 |
| 35 | 1988 | 15349.38 |
| 36 | 1987 | 9317.89 |
| 37 | 1986 | 9080.46 |
| 38 | 1985 | 8334.91 |
| 39 | 1984 | 11568.74 |
| 40 | 1983 | 13886.69 |
| 41 | 1982 | 8588.81 |
| 42 | 1981 | 8617.93 |
| 43 | 1980 | 7552.36 |
| 44 | 1979 | 4420.27 |
| 45 | 1978 | 3890.70 |
| 46 | 1977 | 1980.22 |
| 47 | 1976 | 2083.01 |
| 48 | 1975 | -223.00 |
| 49 | 1974 | 7269.00 |
| 50 | 1973 | 11190.00 |
| 51 | 1972 | 8588.00 |
| 52 | 1971 | 4749.00 |
| 53 | 1970 | 12965.00 |
