| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 186,000 | +232.7% |
| 2023/12 | 55,900 | -68.0% |
| 2022/12 | 174,900 | -41.2% |
| 2021/12 | 297,500 | +947.5% |
| 2020/12 | 28,400 | -70.1% |
| 2019/12 | 95,000 | -82.6% |
| 2018/12 | 547,000 | +186.5% |
| 2017/12 | 190,900 | +389.5% |
| 2016/12 | 39,000 | -73.6% |
| 2015/12 | 147,554 | +882.3% |
| 2014/12 | 15,021 | +40.1% |
| 2013/12 | 10,723 | +110.5% |
| 2012/12 | 5,094 | +289.4% |
| 2011/12 | 1,308 | - |