| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 303,655 | -43.5% |
| 2023/12 | 537,163 | +470.6% |
| 2022/12 | 94,140 | -23.1% |
| 2021/12 | 122,426 | -64.7% |
| 2020/12 | 346,357 | +1800.4% |
| 2019/12 | 18,225 | -26.4% |
| 2018/12 | 24,750 | -48.2% |
| 2017/12 | 47,807 | - |
| 2015/12 | 223,652 | -6.4% |
| 2014/12 | 238,933 | +43.5% |
| 2013/12 | 166,473 | +30.4% |
| 2012/12 | 127,663 | -31.8% |
| 2011/12 | 187,163 | -60.3% |
| 2010/12 | 471,007 | - |