| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 39.72 | +80.3% |
| 2023/12 | 22.03 | +24.4% |
| 2022/12 | 17.71 | +12.1% |
| 2021/12 | 15.8 | -16.0% |
| 2020/12 | 18.8 | +19.1% |
| 2019/12 | 15.79 | +16.3% |
| 2018/12 | 13.57 | -13.0% |
| 2017/12 | 15.61 | -1.8% |
| 2016/12 | 15.9 | +36.0% |
| 2015/12 | 11.69 | +38.8% |
| 2014/12 | 8.42 | +10.6% |
| 2013/12 | 7.62 | +50.9% |
| 2012/12 | 5.05 | -14.0% |
| 2011/12 | 5.87 | -18.0% |
| 2010/12 | 7.16 | - |