| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 31.26 | +9.7% |
| 2023/12 | 28.48 | -22.7% |
| 2022/12 | 36.87 | -27.1% |
| 2021/12 | 50.58 | +19.9% |
| 2020/12 | 42.2 | -1.9% |
| 2019/12 | 43.01 | +10.4% |
| 2018/12 | 38.95 | -5.0% |
| 2017/12 | 41.0 | +6.5% |
| 2016/12 | 38.49 | -11.1% |
| 2015/12 | 43.28 | +11.3% |
| 2014/12 | 38.88 | +22.3% |
| 2013/12 | 31.79 | +122.6% |
| 2012/12 | 14.28 | +0.3% |
| 2011/12 | 14.24 | - |