| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 27.59 | +24.2% |
| 2023/12 | 22.22 | -43.0% |
| 2022/12 | 39.0 | -18.0% |
| 2021/12 | 47.54 | +128.8% |
| 2020/12 | 20.78 | -47.7% |
| 2019/12 | 39.75 | -2.7% |
| 2018/12 | 40.85 | -4.3% |
| 2017/12 | 42.66 | +3.4% |
| 2016/12 | 41.25 | +8.8% |
| 2015/12 | 37.93 | -0.0% |
| 2014/12 | 37.93 | +49.8% |
| 2013/12 | 25.33 | +20.6% |
| 2012/12 | 21.01 | +3.3% |
| 2011/12 | 20.34 | - |