| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2023/12 | 137,520 | -4.7% |
| 2022/12 | 144,275 | +36.2% |
| 2021/12 | 105,932 | +91.7% |
| 2020/12 | 55,254 | -0.1% |
| 2019/12 | 55,332 | +53.9% |
| 2018/12 | 35,944 | +24.0% |
| 2017/12 | 28,980 | -10.0% |
| 2016/12 | 32,205 | -8.6% |
| 2015/12 | 35,252 | -9.5% |
| 2014/12 | 38,963 | +23.0% |
| 2013/12 | 31,678 | +21.4% |
| 2012/12 | 26,084 | +40.8% |
| 2011/12 | 18,532 | - |