| （単位：ドル） | 一株あたり利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 8.93 | +4.2% |
| 2024/5 | 8.57 | +6.3% |
| 2023/5 | 8.06 | +8.0% |
| 2022/5 | 7.46 | +54.5% |
| 2021/5 | 4.83 | -1223.3% |
| 2020/5 | -0.43 | -107.4% |
| 2019/5 | 5.78 | +20.2% |
| 2018/5 | 4.81 | +24.9% |
| 2017/5 | 3.85 | +31.0% |
| 2016/5 | 2.94 | -47.1% |
| 2015/5 | 5.56 | +155.0% |
| 2014/5 | 2.18 | -31.7% |
| 2013/5 | 3.19 | -12.6% |
| 2012/5 | 3.65 | +4.9% |
| 2011/5 | 3.48 | +20.0% |
| 2010/5 | 2.9 | - |