| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 74226455.23 |
| 8 | 2015 | 46617396.18 |
| 9 | 2014 | 55100164.94 |
| 10 | 2013 | 74278891.92 |
| 11 | 2012 | 57897340.79 |
| 12 | 2011 | 48141108.17 |
| 13 | 2010 | 29333058.40 |
| 14 | 2009 | 29130925.44 |
| 15 | 2008 | 34231203.86 |
| 16 | 2007 | 20367724.32 |
| 17 | 2006 | 26592862.85 |
| 18 | 2005 | 21004103.85 |
| 19 | 2004 | 22029328.45 |
| 20 | 2003 | 18088818.10 |
| 21 | 2002 | 19063654.59 |
| 22 | 2001 | 15840102.34 |
| 23 | 1994 | 12370690.23 |
| 24 | 1993 | 12691419.94 |
| 25 | 1992 | 12731984.59 |
| 26 | 1991 | 11904760.52 |
| 27 | 1990 | 10165919.90 |
| 28 | 1989 | 10855830.16 |
| 29 | 1988 | 12998201.19 |
| 30 | 1987 | 11879253.00 |
| 31 | 1986 | 9960311.70 |
| 32 | 1985 | 8348906.22 |
| 33 | 1984 | 8078786.38 |
| 34 | 1983 | 5282127.01 |
| 35 | 1982 | 10805579.18 |
| 36 | 1981 | 8339651.17 |
| 37 | 1980 | 7119026.13 |
| 38 | 1979 | 6220236.26 |
| 39 | 1978 | 5830632.20 |
| 40 | 1977 | 5551128.99 |
| 41 | 1976 | 4807319.26 |
| 42 | 1975 | 7939176.56 |
| 43 | 1974 | 3548687.11 |
| 44 | 1973 | 1801992.94 |
| 45 | 1972 | 1395846.58 |
| 46 | 1971 | 1009120.16 |
