| （単位：百万ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 1,000 | 0.0% |
| 2023/12 | 1,000 | -33.3% |
| 2022/12 | 1,500 | +1315.1% |
| 2021/12 | 106 | -94.7% |
| 2020/12 | 2,000 | -33.3% |
| 2019/12 | 3,000 | +50.0% |
| 2018/12 | 2,000 | 0.0% |
| 2017/12 | 2,000 | -33.3% |
| 2016/12 | 3,000 | -40.0% |
| 2015/12 | 5,000 | -0.2% |
| 2014/12 | 5,012 | +67.0% |
| 2013/12 | 3,001 | -6.8% |
| 2012/12 | 3,219 | +29.3% |
| 2011/12 | 2,489 | -50.0% |
| 2010/12 | 4,978 | - |