| （単位：千ドル） | 現金 + 有価証券 | 前年比（％） |
|---|---|---|
| 2025/5 | 2,399 | -42.5% |
| 2024/5 | 4,170 | -57.1% |
| 2023/5 | 9,719 | +64.3% |
| 2022/5 | 5,917 | +40.9% |
| 2021/5 | 4,199 | -51.4% |
| 2020/5 | 8,641 | +1158.2% |
| 2019/5 | 686 | -43.0% |
| 2018/5 | 1,204 | -1.7% |
| 2017/5 | 1,225 | -35.1% |
| 2016/5 | 1,888 | +73.6% |
| 2015/5 | 1,088 | -27.9% |
| 2014/5 | 1,509 | -38.9% |
| 2013/5 | 2,469 | +129.2% |
| 2012/5 | 1,077 | - |