| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 276,032 | +8.4% |
| 2023/12 | 254,625 | -20.4% |
| 2022/12 | 319,897 | +11.2% |
| 2021/12 | 287,738 | +80.8% |
| 2020/12 | 159,172 | -42.6% |
| 2019/12 | 277,535 | -21.5% |
| 2018/12 | 353,509 | +52.6% |
| 2017/12 | 231,724 | +31.6% |
| 2016/12 | 176,031 | -35.1% |
| 2015/12 | 271,138 | +76.3% |
| 2014/12 | 153,821 | -8.4% |
| 2013/12 | 167,975 | -5.0% |
| 2012/12 | 176,794 | +5.2% |
| 2011/12 | 168,103 | +8.1% |
| 2010/12 | 155,460 | - |