| （単位：千ドル） | 現金 + 有価証券 | 前年比（％） |
|---|---|---|
| 2025/5 | 35,901 | +48.0% |
| 2024/6 | 24,263 | -2.9% |
| 2023/5 | 24,981 | -38.3% |
| 2022/5 | 40,495 | -6.5% |
| 2021/5 | 43,316 | -6.9% |
| 2020/5 | 46,535 | -7.0% |
| 2019/6 | 50,019 | -17.3% |
| 2018/6 | 60,465 | -2.1% |
| 2017/5 | 61,756 | -1.5% |
| 2016/5 | 62,722 | -36.1% |
| 2015/5 | 98,227 | -27.0% |
| 2014/5 | 134,484 | -4.6% |
| 2013/6 | 140,973 | +221.2% |
| 2012/6 | 43,893 | - |