| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2025/1 | 20,301 | +52.0% |
| 2024/1 | 13,359 | +19.9% |
| 2023/1 | 11,144 | +37.4% |
| 2022/1 | 8,111 | -171.3% |
| 2021/1 | -11,377 | -291.5% |
| 2020/1 | 5,940 | +116.6% |
| 2019/1 | 2,743 | -128.8% |
| 2018/1 | -9,512 | -11.8% |
| 2017/1 | -10,788 | -474.8% |
| 2016/1 | 2,878 | +30.5% |
| 2015/1 | 2,206 | -83.1% |
| 2014/1 | 13,083 | -280.1% |
| 2013/1 | -7,265 | +42.7% |
| 2012/1 | -5,091 | - |