| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 161,600 | -6.5% |
| 2023/12 | 172,800 | -66.8% |
| 2022/12 | 521,200 | +147.5% |
| 2021/12 | 210,600 | +162.6% |
| 2020/12 | 80,200 | +5628.6% |
| 2019/12 | 1,400 | -99.2% |
| 2018/12 | 183,918 | +358.7% |
| 2017/12 | 40,094 | -68.6% |
| 2016/12 | 127,606 | +30.9% |
| 2015/12 | 97,473 | +164.9% |
| 2014/12 | 36,802 | +935.8% |
| 2013/12 | 3,553 | -68.6% |
| 2012/12 | 11,317 | -77.7% |
| 2011/12 | 50,777 | - |