| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 689,300 | +17.8% |
| 2023/12 | 585,100 | -19.9% |
| 2022/12 | 730,500 | +10.4% |
| 2021/12 | 661,700 | +3.2% |
| 2020/12 | 641,300 | +6.6% |
| 2019/12 | 601,700 | -35.7% |
| 2018/12 | 935,200 | +51.3% |
| 2017/12 | 618,000 | +89.7% |
| 2016/12 | 325,800 | +30.9% |
| 2015/12 | 248,900 | -53.9% |
| 2014/12 | 539,400 | +66.1% |
| 2013/12 | 324,655 | -14.6% |
| 2012/12 | 380,023 | -43.5% |
| 2011/12 | 672,191 | - |