| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/9 | 309,916 | +89.0% |
| 2023/9 | 163,970 | +1406.2% |
| 2022/9 | 10,886 | +224.3% |
| 2021/9 | 3,357 | -55.1% |
| 2020/9 | 7,479 | +406.0% |
| 2019/9 | 1,478 | -96.8% |
| 2018/9 | 45,605 | +187.9% |
| 2017/9 | 15,841 | -75.7% |
| 2016/9 | 65,307 | -20.7% |
| 2015/9 | 82,343 | +3.4% |
| 2014/9 | 79,614 | +144.8% |
| 2013/9 | 32,521 | +213.2% |
| 2012/9 | 10,382 | -42.8% |
| 2011/9 | 18,139 | - |