| （単位：千ドル） | 現金 + 有価証券 | 前年比（％） |
|---|---|---|
| 2024/6 | 304,400 | +20.7% |
| 2023/6 | 252,300 | +12.3% |
| 2022/6 | 224,700 | -18.1% |
| 2021/6 | 274,500 | -42.4% |
| 2020/6 | 476,600 | +74.5% |
| 2019/6 | 273,200 | +3.5% |
| 2018/6 | 263,900 | -2.7% |
| 2017/6 | 271,100 | -62.7% |
| 2016/6 | 727,700 | +124.5% |
| 2015/6 | 324,100 | -6.8% |
| 2014/6 | 347,600 | +30.7% |
| 2013/6 | 266,000 | -17.0% |
| 2012/6 | 320,500 | +32.7% |
| 2011/6 | 241,500 | - |