| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 61,041 | +40.9% |
| 2023/12 | 43,332 | +7.0% |
| 2022/12 | 40,490 | +56.0% |
| 2021/12 | 25,949 | +32.7% |
| 2020/12 | 19,553 | +82.0% |
| 2019/12 | 10,741 | -68.6% |
| 2018/12 | 34,188 | +844.2% |
| 2017/12 | 3,621 | -51.2% |
| 2016/12 | 7,422 | -30.0% |
| 2016/1 | 48,579 | +357.9% |
| 2015/1 | 10,610 | - |
| 2013/12 | 12,364 | -43.0% |
| 2012/12 | 21,689 | +199.5% |
| 2011/12 | 13,910 | - |
| 2011/1 | 7,242 | - |