| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2023/1 | 129,000 | -62.9% |
| 2022/1 | 348,000 | +840.5% |
| 2021/1 | 37,000 | -89.0% |
| 2020/2 | 335,000 | -10.7% |
| 2019/2 | 375,000 | -19.7% |
| 2018/2 | 467,000 | +8.1% |
| 2017/1 | 432,000 | +3.1% |
| 2016/1 | 419,000 | +37.4% |
| 2015/1 | 305,000 | +33.2% |
| 2014/2 | 229,000 | +77.5% |
| 2013/2 | 129,000 | +24.0% |
| 2012/1 | 104,000 | +108.0% |
| 2011/1 | 50,000 | - |