| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 40,000 | +33.3% |
| 2023/12 | 30,000 | -83.5% |
| 2022/12 | 182,000 | +1525.0% |
| 2021/12 | 11,200 | -72.9% |
| 2020/12 | 41,300 | +18.0% |
| 2019/12 | 35,000 | -12.5% |
| 2018/12 | 40,000 | -56.8% |
| 2017/12 | 92,500 | -62.5% |
| 2016/12 | 246,800 | +212.0% |
| 2015/12 | 79,100 | -25.0% |
| 2014/12 | 105,500 | +240.3% |
| 2013/12 | 31,000 | -59.0% |
| 2012/12 | 75,600 | -45.1% |
| 2011/12 | 137,700 | +491.0% |
| 2010/12 | 23,300 | - |