| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2022/12 | 472,399 | +9.8% |
| 2021/12 | 430,131 | +94.1% |
| 2020/12 | 221,599 | -0.5% |
| 2019/12 | 222,684 | +14.5% |
| 2018/12 | 194,426 | +35.1% |
| 2017/12 | 143,866 | +410.8% |
| 2016/12 | 28,163 | -86.6% |
| 2015/12 | 210,298 | -22.6% |
| 2014/12 | 271,556 | -3.4% |
| 2013/12 | 281,055 | +0.9% |
| 2012/12 | 278,447 | +3.8% |
| 2011/12 | 268,146 | +56.0% |
| 2010/12 | 171,837 | - |