| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 32.01 | +16.4% |
| 2023/12 | 27.5 | +6.5% |
| 2022/12 | 25.82 | -22.0% |
| 2021/12 | 33.1 | +19.5% |
| 2020/12 | 27.69 | -17.4% |
| 2019/12 | 33.54 | -2.4% |
| 2018/12 | 34.36 | -2.0% |
| 2017/12 | 35.04 | -3.4% |
| 2016/12 | 36.27 | +14.0% |
| 2015/12 | 31.81 | +23.5% |
| 2014/12 | 25.75 | -33.0% |
| 2013/12 | 38.45 | -6.3% |
| 2012/12 | 41.03 | +1.6% |
| 2011/12 | 40.39 | -0.3% |
| 2010/12 | 40.5 | - |