| 序号 | 时间 (年) |
数据 (万美元 ) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 34654.45 |
| 8 | 2016 | 34441.36 |
| 9 | 2015 | 31687.76 |
| 10 | 2014 | 34266.94 |
| 11 | 2013 | 35262.96 |
| 12 | 2012 | 39618.25 |
| 13 | 2011 | 33987.47 |
| 14 | 2010 | 28613.56 |
| 15 | 2009 | 25524.22 |
| 16 | 2008 | 30347.97 |
| 17 | 2007 | 23424.68 |
| 18 | 2006 | 22164.50 |
| 19 | 2005 | 23371.46 |
| 20 | 2004 | 26639.92 |
| 21 | 2003 | 23972.37 |
| 22 | 2002 | 22469.90 |
| 23 | 2001 | 16755.59 |
| 24 | 2000 | 24070.00 |
| 25 | 1999 | 21290.00 |
| 26 | 1998 | 22880.00 |
| 27 | 1997 | 21790.00 |
| 28 | 1996 | 21970.00 |
| 29 | 1995 | 17900.00 |
| 30 | 1994 | 7690.00 |
| 31 | 1993 | 5270.00 |
| 32 | 1992 | 3530.00 |
| 33 | 1991 | 3120.00 |
| 34 | 1990 | 1740.00 |
| 35 | 1989 | 210.00 |
| 36 | 1988 | 460.00 |
| 37 | 1987 | 4370.00 |
| 38 | 1986 | 2680.00 |
| 39 | 1985 | 100.00 |
| 40 | 1984 | 1300.00 |
| 41 | 1983 | 1300.00 |
| 42 | 1982 | 900.00 |
| 43 | 1981 | 500.00 |
| 44 | 1980 | 400.00 |
| 45 | 1979 | 400.00 |
| 46 | 1977 | 100.00 |
| 47 | 1976 | 100.00 |
| 48 | 1975 | 100.00 |