| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 933 | +2.5% |
| 2023/12 | 910 | +29.6% |
| 2022/12 | 702 | -33.2% |
| 2021/12 | 1,051 | -57.8% |
| 2020/12 | 2,490 | -70.5% |
| 2019/12 | 8,447 | +12.3% |
| 2018/12 | 7,522 | +15.4% |
| 2017/12 | 6,521 | -81.2% |
| 2016/12 | 34,737 | +1437.7% |
| 2015/12 | 2,259 | +26.8% |
| 2014/12 | 1,781 | +209.2% |
| 2013/12 | 576 | -40.0% |
| 2012/12 | 960 | +114.8% |
| 2011/12 | 447 | - |