| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 500,061 | +61.9% |
| 2023/12 | 308,854 | -10.4% |
| 2022/12 | 344,723 | -15.5% |
| 2021/12 | 408,069 | -4.4% |
| 2020/12 | 427,001 | +23.3% |
| 2019/12 | 346,352 | -15.0% |
| 2018/12 | 407,384 | +64.0% |
| 2017/12 | 248,339 | -15.0% |
| 2016/12 | 292,258 | +0.3% |
| 2015/12 | 291,374 | +5.7% |
| 2014/12 | 275,788 | +33.5% |
| 2013/12 | 206,577 | +31.1% |
| 2012/12 | 157,543 | -24.6% |
| 2011/12 | 208,932 | +74.4% |
| 2010/12 | 119,775 | - |