| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2023/12 | 10,600 | +53.6% |
| 2022/12 | 6,900 | +102.9% |
| 2021/12 | 3,400 | +240.0% |
| 2020/12 | 1,000 | +11.1% |
| 2019/12 | 900 | -70.0% |
| 2018/12 | 3,000 | +150.0% |
| 2017/12 | 1,200 | +71.4% |
| 2016/12 | 700 | -75.9% |
| 2015/12 | 2,900 | -94.5% |
| 2014/12 | 52,500 | +2988.2% |
| 2013/12 | 1,700 | -96.6% |
| 2012/12 | 50,000 | -58.6% |
| 2011/12 | 120,900 | - |