| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | |
| 8 | 2015 | |
| 9 | 2014 | |
| 10 | 2013 | |
| 11 | 2012 | 52256564.11 |
| 12 | 2011 | 54406845.88 |
| 13 | 2010 | 42612683.71 |
| 14 | 2009 | 41084195.78 |
| 15 | 2008 | 38763616.10 |
| 16 | 2007 | 34481917.24 |
| 17 | 2006 | 25855014.14 |
| 18 | 1994 | 16571000.69 |
| 19 | 1993 | 16255032.10 |
| 20 | 1992 | 16554200.85 |
| 21 | 1991 | 14019799.97 |
| 22 | 1990 | 17056232.23 |
| 23 | 1989 | 13376597.02 |
| 24 | 1988 | 12628248.12 |
| 25 | 1987 | 11929868.78 |
| 26 | 1986 | 9884528.98 |
| 27 | 1985 | 10139011.59 |
| 28 | 1984 | 8541321.89 |
| 29 | 1983 | 8717900.22 |
| 30 | 1982 | 10518704.69 |
| 31 | 1981 | 11520147.10 |
| 32 | 1980 | 9025962.03 |
| 33 | 1979 | 5972228.53 |