| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2023/12 | 109,843 | -4.2% |
| 2022/12 | 114,685 | -0.2% |
| 2021/12 | 114,895 | +21.7% |
| 2020/12 | 94,447 | -18.1% |
| 2019/12 | 115,370 | +5.6% |
| 2018/12 | 109,254 | +16.6% |
| 2017/12 | 93,665 | +21.4% |
| 2016/12 | 77,171 | +30.1% |
| 2015/12 | 59,335 | +35.5% |
| 2014/12 | 43,773 | +57.6% |
| 2013/12 | 27,775 | +140.4% |
| 2012/12 | 11,553 | +133.2% |
| 2011/12 | 4,954 | - |