| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 186,200 | -39.6% |
| 2023/12 | 308,400 | -16.6% |
| 2022/12 | 369,900 | -9.8% |
| 2021/12 | 409,900 | +71.0% |
| 2020/12 | 239,700 | -56.6% |
| 2019/12 | 552,600 | +34.0% |
| 2018/12 | 412,400 | -18.0% |
| 2017/12 | 502,800 | +0.2% |
| 2016/12 | 501,600 | -1.9% |
| 2015/12 | 511,300 | +3.2% |
| 2014/12 | 495,400 | +23.9% |
| 2013/12 | 399,700 | -47.9% |
| 2012/12 | 766,500 | -4.7% |
| 2011/12 | 803,900 | +38.3% |
| 2010/12 | 581,400 | - |