| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 30.72 | +19.7% |
| 2023/12 | 25.65 | +11.8% |
| 2022/12 | 22.95 | +71.7% |
| 2021/12 | 13.37 | +60.2% |
| 2020/12 | 8.34 | -78.9% |
| 2019/12 | 39.55 | +18.8% |
| 2018/12 | 33.28 | -4.0% |
| 2017/12 | 34.68 | +37.3% |
| 2016/12 | 25.26 | -25.5% |
| 2015/12 | 33.92 | -4.2% |
| 2014/12 | 35.41 | +4.8% |
| 2013/12 | 33.81 | +0.9% |
| 2012/12 | 33.49 | +6.6% |
| 2011/12 | 31.4 | +29.8% |
| 2010/12 | 24.19 | - |