| （単位：千ドル） | 現金 + 有価証券 | 前年比（％） |
|---|---|---|
| 2024/5 | 237,379 | +10.0% |
| 2023/5 | 215,787 | +7.0% |
| 2022/5 | 201,672 | -18.3% |
| 2021/5 | 246,704 | +5.7% |
| 2020/5 | 233,416 | +4.6% |
| 2019/5 | 223,168 | -8.7% |
| 2018/5 | 244,422 | -30.3% |
| 2017/5 | 350,497 | +32.2% |
| 2016/5 | 265,152 | +51.8% |
| 2015/5 | 174,711 | -47.5% |
| 2014/5 | 332,868 | -3.1% |
| 2013/5 | 343,554 | +8.7% |
| 2012/5 | 315,968 | -27.4% |
| 2011/5 | 435,011 | - |