| （単位：千ドル） | 現金 + 有価証券 | 前年比（％） |
|---|---|---|
| 2025/5 | 55,893 | -26.5% |
| 2024/5 | 76,056 | +70.5% |
| 2023/5 | 44,620 | +54.8% |
| 2022/5 | 28,825 | -40.1% |
| 2021/5 | 48,161 | -11.5% |
| 2020/5 | 54,435 | -76.1% |
| 2019/5 | 227,641 | +201.9% |
| 2018/5 | 75,413 | +54.7% |
| 2017/5 | 48,759 | +43.5% |
| 2016/5 | 33,986 | +69.3% |
| 2015/5 | 20,080 | +12.1% |
| 2014/5 | 17,914 | -25.2% |
| 2013/5 | 23,955 | -53.6% |
| 2012/5 | 51,648 | - |