| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 34.53 | +23.9% |
| 2023/12 | 27.88 | -45.0% |
| 2022/12 | 50.69 | -28.2% |
| 2021/12 | 70.56 | +50.7% |
| 2020/12 | 46.83 | +40.9% |
| 2019/12 | 33.25 | -9.3% |
| 2018/12 | 36.65 | -13.2% |
| 2017/12 | 42.22 | -4.1% |
| 2016/12 | 44.02 | +47.7% |
| 2015/12 | 29.8 | -12.7% |
| 2014/12 | 34.15 | +47.2% |
| 2013/12 | 23.2 | +38.3% |
| 2012/12 | 16.77 | -25.2% |
| 2011/12 | 22.43 | - |