| （単位：千ドル） | 現金 + 有価証券 | 前年比（％） |
|---|---|---|
| 2025/5 | 8,265 | -2.3% |
| 2024/5 | 8,462 | -55.7% |
| 2023/5 | 19,091 | +1062.0% |
| 2022/5 | 1,643 | +26.9% |
| 2021/5 | 1,295 | +134.2% |
| 2020/5 | 553 | -48.8% |
| 2019/5 | 1,080 | -62.7% |
| 2018/5 | 2,899 | -46.4% |
| 2017/5 | 5,409 | -45.3% |
| 2016/5 | 9,894 | -30.0% |
| 2015/5 | 14,127 | -0.8% |
| 2014/5 | 14,243 | +3.8% |
| 2013/5 | 13,718 | -38.1% |
| 2012/5 | 22,177 | - |