| （単位：千ドル） | 現金 + 有価証券 | 前年比（％） |
|---|---|---|
| 2025/5 | 124,000 | +9.1% |
| 2024/5 | 113,700 | -49.4% |
| 2023/5 | 224,500 | -29.1% |
| 2022/5 | 316,600 | -13.6% |
| 2021/5 | 366,500 | -6.9% |
| 2020/5 | 393,800 | +17.9% |
| 2019/5 | 334,100 | -14.7% |
| 2018/5 | 391,900 | -11.8% |
| 2017/5 | 444,100 | +11.1% |
| 2016/5 | 399,700 | -21.1% |
| 2015/5 | 506,800 | +2324.9% |
| 2014/5 | 20,900 | -76.1% |
| 2013/5 | 87,400 | -55.2% |
| 2012/5 | 194,900 | - |