| （単位：千ドル） | 現金 + 有価証券 | 前年比（％） |
|---|---|---|
| 2025/5 | 193,700 | -15.9% |
| 2024/6 | 230,400 | +3.1% |
| 2023/6 | 223,500 | -3.0% |
| 2022/5 | 230,300 | -43.0% |
| 2021/5 | 404,100 | -12.3% |
| 2020/5 | 461,000 | +160.7% |
| 2019/6 | 176,800 | -16.8% |
| 2018/6 | 212,500 | +102.8% |
| 2017/6 | 104,800 | +13.4% |
| 2016/5 | 92,400 | +33.1% |
| 2015/5 | 69,400 | -38.4% |
| 2014/5 | 112,600 | +20.4% |
| 2013/6 | 93,500 | -48.6% |
| 2012/6 | 181,800 | +6.6% |
| 2011/5 | 170,600 | - |