| （単位：百万ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 100 | +488.2% |
| 2023/12 | 17 | -60.5% |
| 2022/12 | 43 | -94.1% |
| 2021/12 | 729 | +266.3% |
| 2020/12 | 199 | -85.7% |
| 2019/12 | 1,394 | +4.2% |
| 2018/12 | 1,338 | +142.4% |
| 2017/12 | 552 | +78.1% |
| 2016/12 | 310 | +29.2% |
| 2015/12 | 240 | -7.7% |
| 2014/12 | 260 | -10.7% |
| 2013/12 | 291 | -5.5% |
| 2012/12 | 308 | +165.5% |
| 2011/12 | 116 | +2800.0% |
| 2010/12 | 4 | - |