| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | |
| 8 | 2016 | |
| 9 | 2015 | |
| 10 | 2014 | |
| 11 | 2013 | 1641073.30 |
| 12 | 2012 | 1609509.04 |
| 13 | 2011 | 1608899.83 |
| 14 | 2010 | 1864638.87 |
| 15 | 2009 | 8666537.39 |
| 16 | 2008 | 994457.95 |
| 17 | 2007 | 1222781.46 |
| 18 | 1985 | 183374.45 |
| 19 | 1984 | 237288.94 |
| 20 | 1983 | 163905.93 |
| 21 | 1982 | 731489.46 |
| 22 | 1981 | 47332.41 |
