| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 557,468 | -14.8% |
| 2023/12 | 654,046 | +7.6% |
| 2022/12 | 608,010 | +16.4% |
| 2021/12 | 522,255 | +169.8% |
| 2020/12 | 193,588 | -42.1% |
| 2019/12 | 334,519 | -55.4% |
| 2018/12 | 750,000 | +107.6% |
| 2017/12 | 361,194 | -3.4% |
| 2016/12 | 373,794 | +23.5% |
| 2015/12 | 302,606 | +12.6% |
| 2014/12 | 268,647 | +67.5% |
| 2013/12 | 160,419 | +13.4% |
| 2012/12 | 141,468 | -56.3% |
| 2011/12 | 324,070 | +250.6% |
| 2010/12 | 92,425 | - |