| （単位：千ドル） | 経常（税引前）利益 | 前年比（％） |
|---|---|---|
| 2024/5 | 29,829 | -58.9% |
| 2023/5 | 72,618 | -12.5% |
| 2022/5 | 82,968 | +265.8% |
| 2021/5 | 22,684 | -35.6% |
| 2020/5 | 35,228 | -26.6% |
| 2019/5 | 47,969 | +66.0% |
| 2018/5 | 28,889 | -14.5% |
| 2017/5 | 33,773 | -37.4% |
| 2016/5 | 53,989 | +7.1% |
| 2015/5 | 50,406 | +32.2% |
| 2014/5 | 38,143 | -4.3% |
| 2013/5 | 39,877 | -45.6% |
| 2012/5 | 73,344 | +41.2% |
| 2011/5 | 51,925 | - |