| （単位：千ドル） | 現金 + 有価証券 | 前年比（％） |
|---|---|---|
| 2024/5 | 96,100 | +17.5% |
| 2023/5 | 81,800 | +52.9% |
| 2022/5 | 53,500 | +3.3% |
| 2021/5 | 51,800 | -87.2% |
| 2020/5 | 404,700 | +1800.0% |
| 2019/5 | 21,300 | -31.5% |
| 2018/5 | 31,100 | +201.9% |
| 2017/5 | 10,300 | -67.0% |
| 2016/5 | 31,200 | -43.0% |
| 2015/5 | 54,700 | -38.7% |
| 2014/5 | 89,200 | +18.5% |
| 2013/5 | 75,300 | +11.2% |
| 2012/5 | 67,720 | +17.9% |
| 2011/5 | 57,433 | - |