| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 513,924 | +222.1% |
| 2023/12 | 159,576 | -46.8% |
| 2022/12 | 300,030 | +97.8% |
| 2021/12 | 151,720 | +63.9% |
| 2020/12 | 92,548 | - |
| 2018/12 | 150,338 | -16.4% |
| 2017/12 | 179,813 | -28.0% |
| 2016/12 | 249,760 | -4.8% |
| 2015/12 | 262,275 | +109.8% |
| 2014/12 | 125,000 | +9.0% |
| 2013/12 | 114,723 | +129.4% |
| 2012/12 | 50,000 | -79.7% |
| 2011/12 | 246,406 | -1.8% |
| 2010/12 | 250,892 | - |