| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2023/12 | 18,450 | -95.4% |
| 2022/12 | 398,382 | +383.0% |
| 2021/12 | 82,473 | +83.9% |
| 2020/12 | 44,854 | -3.6% |
| 2019/12 | 46,545 | +54.7% |
| 2018/12 | 30,085 | +731.8% |
| 2017/12 | 3,617 | -93.4% |
| 2016/12 | 55,216 | +3.6% |
| 2015/12 | 53,313 | +0.2% |
| 2014/12 | 53,189 | +70.1% |
| 2013/12 | 31,277 | +466.4% |
| 2012/12 | 5,522 | +78.6% |
| 2011/12 | 3,092 | - |