| （単位：百万ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 1,150 | +15.0% |
| 2023/12 | 1,000 | -28.4% |
| 2022/12 | 1,396 | +155.7% |
| 2021/12 | 546 | -65.5% |
| 2020/12 | 1,583 | -9.5% |
| 2019/12 | 1,749 | -39.7% |
| 2018/12 | 2,900 | +204.0% |
| 2017/12 | 954 | -91.3% |
| 2016/12 | 11,001 | +10.0% |
| 2015/12 | 10,002 | +87.0% |
| 2014/12 | 5,349 | +818.5% |
| 2013/12 | 582 | -12.7% |
| 2012/12 | 667 | -72.0% |
| 2011/12 | 2,383 | -40.8% |
| 2010/12 | 4,023 | - |