| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 8.14 | +32.7% |
| 2023/12 | 6.13 | -35.4% |
| 2022/12 | 9.49 | +471.7% |
| 2021/12 | 1.66 | -190.1% |
| 2020/12 | -1.84 | -111.4% |
| 2019/12 | 16.12 | +5.8% |
| 2018/12 | 15.23 | -7.0% |
| 2017/12 | 16.38 | -2.8% |
| 2016/12 | 16.84 | -1.5% |
| 2015/12 | 17.1 | +6.7% |
| 2014/12 | 16.02 | +2.4% |
| 2013/12 | 15.65 | +3.9% |
| 2012/12 | 15.06 | +19.5% |
| 2011/12 | 12.6 | +48.2% |
| 2010/12 | 8.5 | - |