| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 5,302 | -62.9% |
| 2023/12 | 14,290 | -74.0% |
| 2022/12 | 55,063 | +76.2% |
| 2021/12 | 31,258 | +73.6% |
| 2020/12 | 18,006 | -86.9% |
| 2019/12 | 137,649 | +49.6% |
| 2018/12 | 91,988 | +95.4% |
| 2017/12 | 47,076 | -23.8% |
| 2016/12 | 61,807 | +16.7% |
| 2015/12 | 52,981 | -17.3% |
| 2014/12 | 64,046 | +61.5% |
| 2013/12 | 39,655 | -51.3% |
| 2012/12 | 81,444 | -27.0% |
| 2011/12 | 111,544 | +346.5% |
| 2010/12 | 24,981 | - |