| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 30.53 | +27.5% |
| 2023/12 | 23.95 | -37.6% |
| 2022/12 | 38.37 | -32.4% |
| 2021/12 | 56.73 | +2.5% |
| 2020/12 | 55.33 | +48.4% |
| 2019/12 | 37.28 | -0.6% |
| 2018/12 | 37.51 | -5.3% |
| 2017/12 | 39.59 | +10.9% |
| 2016/12 | 35.71 | -21.3% |
| 2015/12 | 45.36 | +0.9% |
| 2014/12 | 44.95 | +17.1% |
| 2013/12 | 38.39 | -12.4% |
| 2012/12 | 43.85 | +20.5% |
| 2011/12 | 36.38 | - |