| （単位：千ドル） | 現金 + 有価証券 | 前年比（％） |
|---|---|---|
| 2025/5 | 68,000 | -12.5% |
| 2024/5 | 77,700 | -17.3% |
| 2023/5 | 93,900 | +12.7% |
| 2022/5 | 83,300 | +5.2% |
| 2021/5 | 79,200 | -85.7% |
| 2020/5 | 553,300 | +133.9% |
| 2019/5 | 236,600 | +84.8% |
| 2018/5 | 128,000 | -49.1% |
| 2017/5 | 251,400 | - |
| 2015/5 | 183,100 | 0.0% |
| 2014/5 | 183,100 | -0.4% |
| 2013/5 | 183,900 | +78.5% |
| 2012/5 | 103,000 | -89.4% |
| 2011/5 | 972,400 | +2.0% |
| 2010/5 | 953,200 | - |