| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2024/4 | 52,261 | -6.5% |
| 2023/4 | 55,890 | -74.5% |
| 2022/4 | 219,276 | +18.2% |
| 2021/4 | 185,500 | -441.6% |
| 2020/4 | -54,300 | -124.2% |
| 2019/4 | 223,989 | -6.5% |
| 2018/4 | 239,535 | +16.2% |
| 2017/4 | 206,153 | +9.6% |
| 2016/4 | 188,113 | -20.9% |
| 2015/4 | 237,739 | +15.0% |
| 2014/4 | 206,673 | +3.6% |
| 2013/4 | 199,427 | -28.9% |
| 2012/4 | 280,419 | +13.0% |
| 2011/4 | 248,148 | - |