| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 149,999 | -42.6% |
| 2023/12 | 261,473 | +17.4% |
| 2022/12 | 222,726 | -33.2% |
| 2021/12 | 333,599 | +246.7% |
| 2020/12 | 96,215 | +29.7% |
| 2019/12 | 74,187 | -19.3% |
| 2018/12 | 91,983 | -47.0% |
| 2017/12 | 173,524 | -4.4% |
| 2016/12 | 181,417 | -37.9% |
| 2015/12 | 292,275 | +204.6% |
| 2014/12 | 95,946 | -20.5% |
| 2013/12 | 120,673 | +47.5% |
| 2012/12 | 81,826 | -33.0% |
| 2011/12 | 122,078 | +62.8% |
| 2010/12 | 75,007 | - |