| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 29.1 | -75.0% |
| 2023/12 | 116.2 | +191.2% |
| 2022/12 | 39.9 | -17.5% |
| 2021/12 | 48.4 | +16.1% |
| 2020/12 | 41.6 | -1.3% |
| 2019/12 | 42.2 | +4.3% |
| 2018/12 | 40.4 | -17.9% |
| 2017/12 | 49.3 | +38.6% |
| 2016/12 | 35.5 | +3.6% |
| 2015/12 | 34.3 | +28.1% |
| 2014/12 | 26.8 | -19.4% |
| 2013/12 | 33.2 | +71.9% |
| 2012/12 | 19.3 | -36.7% |
| 2011/12 | 30.5 | -2.4% |
| 2010/12 | 31.3 | - |