| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 48300.00 |
| 8 | 2014 | 7920.00 |
| 9 | 2013 | 17990.00 |
| 10 | 2012 | 15220.00 |
| 11 | 2011 | 4020.00 |
| 12 | 2010 | 41010.00 |
| 13 | 2009 | 38500.00 |
| 14 | 2008 | 20770.00 |
| 15 | 2007 | 10850.00 |
| 16 | 2006 | 48900.00 |
| 17 | 2005 | 53400.00 |
| 18 | 2004 | 43700.00 |
| 19 | 2003 | 44200.00 |
| 20 | 2002 | 40100.00 |
| 21 | 2001 | 18400.00 |
| 22 | 2000 | 17200.00 |
| 23 | 1999 | 5907.58 |
| 24 | 1998 | 3956.59 |
| 25 | 1997 | 2755.68 |
| 26 | 1996 | 2564.10 |
| 27 | 1995 | 3061.14 |
| 28 | 1994 | 3674.27 |
| 29 | 1993 | 5486.74 |
| 30 | 1992 | 10015.86 |
| 31 | 1991 | 9867.19 |
| 32 | 1990 | 11688.79 |
| 33 | 1989 | 11748.93 |
| 34 | 1988 | 12842.67 |
| 35 | 1987 | 11278.37 |
| 36 | 1986 | 8211.90 |
| 37 | 1985 | 6282.66 |
| 38 | 1984 | 17023.98 |
| 39 | 1983 | 16111.98 |
| 40 | 1982 | 16348.42 |
| 41 | 1981 | 16314.72 |
| 42 | 1980 | 16449.88 |
| 43 | 1979 | 14254.30 |
| 44 | 1978 | 15335.20 |
| 45 | 1977 | 13612.52 |
