| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 10,217 | -51.3% |
| 2023/12 | 20,982 | -75.4% |
| 2022/12 | 85,424 | +85.2% |
| 2021/12 | 46,133 | -87.0% |
| 2020/12 | 353,593 | +234.2% |
| 2019/12 | 105,797 | +89.8% |
| 2018/12 | 55,738 | -66.8% |
| 2017/12 | 168,094 | +682.2% |
| 2016/12 | 21,489 | -19.0% |
| 2015/12 | 26,532 | +507.6% |
| 2014/12 | 4,367 | -93.5% |
| 2013/12 | 66,763 | +33.4% |
| 2012/12 | 50,032 | -76.1% |
| 2011/12 | 209,400 | +415.3% |
| 2010/12 | 40,634 | - |