| （単位：百万ドル） | 現金 + 有価証券 | 前年比（％） |
|---|---|---|
| 2025/5 | 5,502 | -15.4% |
| 2024/5 | 6,501 | -5.2% |
| 2023/5 | 6,856 | -0.6% |
| 2022/5 | 6,897 | -2.7% |
| 2021/5 | 7,087 | +45.2% |
| 2020/5 | 4,881 | +110.5% |
| 2019/5 | 2,319 | -29.0% |
| 2018/5 | 3,265 | -17.7% |
| 2017/5 | 3,969 | +12.3% |
| 2016/5 | 3,534 | -6.1% |
| 2015/5 | 3,763 | +29.4% |
| 2014/5 | 2,908 | -40.9% |
| 2013/5 | 4,917 | +73.0% |
| 2012/5 | 2,843 | +22.1% |
| 2011/5 | 2,328 | +19.3% |
| 2010/5 | 1,952 | - |