| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 560,634 | -5.7% |
| 2023/12 | 594,390 | -15.1% |
| 2022/12 | 700,063 | -12.4% |
| 2021/12 | 798,893 | +132.9% |
| 2020/12 | 342,957 | -35.7% |
| 2019/12 | 533,319 | +52.5% |
| 2018/12 | 349,776 | -5.3% |
| 2017/12 | 369,403 | +11.4% |
| 2016/12 | 331,708 | +13.3% |
| 2015/12 | 292,705 | -1.9% |
| 2014/12 | 298,497 | +130.6% |
| 2013/12 | 129,416 | -52.4% |
| 2012/12 | 271,799 | +51.0% |
| 2011/12 | 179,997 | +371.5% |
| 2010/12 | 38,172 | - |