| （単位：百万） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 500 | -50.0% |
| 2023/12 | 1,000 | -78.4% |
| 2022/12 | 4,640 | -45.8% |
| 2021/12 | 8,560 | +608.9% |
| 2020/12 | 1,207 | +194.5% |
| 2019/12 | 410 | -64.2% |
| 2018/12 | 1,146 | +129.2% |
| 2017/12 | 500 | +25.0% |
| 2016/12 | 400 | -29.2% |
| 2015/12 | 564 | -19.3% |
| 2014/12 | 700 | +133.3% |
| 2013/12 | 300 | -44.0% |
| 2012/12 | 535 | -23.6% |
| 2011/12 | 700 | - |