| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 30638938.57 |
| 8 | 2016 | 56680105.38 |
| 9 | 2015 | 42818625.30 |
| 10 | 2014 | 26598840.54 |
| 11 | 2013 | 29150651.69 |
| 12 | 2012 | 37037765.80 |
| 13 | 2011 | 41372650.95 |
| 14 | 2010 | 41824356.25 |
| 15 | 2009 | 35696170.88 |
| 16 | 2008 | 44670002.11 |
| 17 | 2007 | 38644157.11 |
| 18 | 2006 | 34987443.06 |
| 19 | 2005 | 31907529.35 |
| 20 | 2004 | 30942413.91 |
| 21 | 2003 | 23529672.53 |
| 22 | 2002 | 15474951.26 |
| 23 | 2001 | 17786990.42 |
| 24 | 2000 | 20476364.93 |
| 25 | 1999 | 19482879.40 |
| 26 | 1998 | 15067230.50 |
| 27 | 1997 | 16792292.36 |
| 28 | 1996 | 18569523.46 |
| 29 | 1995 | 20279732.50 |
| 30 | 1994 | 21270205.64 |
| 31 | 1993 | 21087279.99 |
| 32 | 1992 | 21384212.18 |
| 33 | 1991 | 21009098.62 |
| 34 | 1990 | 21523497.03 |
| 35 | 1989 | 16021197.29 |
| 36 | 1988 | 15714469.61 |
| 37 | 1987 | 11491123.87 |
| 38 | 1986 | 7785593.42 |
| 39 | 1985 | 7318487.44 |
| 40 | 1984 | 10386554.96 |
| 41 | 1983 | 12507231.49 |
| 42 | 1982 | 11972445.86 |
| 43 | 1981 | 23359721.85 |
| 44 | 1980 | 21699111.37 |
| 45 | 1979 | 14845207.21 |
| 46 | 1978 | 13684999.99 |
| 47 | 1977 | 11384999.99 |
| 48 | 1976 | 9429999.99 |
| 49 | 1975 | 9465756.04 |
