| （単位：ドル） | 一株あたり利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 16.96 | -2.6% |
| 2024/5 | 17.41 | +11.6% |
| 2023/5 | 15.6 | +7.3% |
| 2022/5 | 14.54 | -26.5% |
| 2021/5 | 19.79 | +302.2% |
| 2020/5 | 4.92 | +138.8% |
| 2019/5 | 2.06 | -87.9% |
| 2018/5 | 17.08 | +52.0% |
| 2017/5 | 11.24 | +70.6% |
| 2016/5 | 6.59 | +78.1% |
| 2015/5 | 3.7 | -45.7% |
| 2014/5 | 6.82 | +37.8% |
| 2013/5 | 4.95 | -23.1% |
| 2012/5 | 6.44 | +39.7% |
| 2011/5 | 4.61 | +22.0% |
| 2010/5 | 3.78 | - |