| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 25.9 | -13.4% |
| 2023/12 | 29.9 | -14.4% |
| 2022/12 | 34.9 | -38.3% |
| 2021/12 | 56.6 | +102.7% |
| 2020/12 | 27.9 | -33.7% |
| 2019/12 | 42.2 | +0.7% |
| 2018/12 | 41.9 | +8.1% |
| 2017/12 | 38.7 | +4.9% |
| 2016/12 | 36.9 | -6.6% |
| 2015/12 | 39.5 | -2.4% |
| 2014/12 | 40.5 | +8.7% |
| 2013/12 | 37.3 | +4.0% |
| 2012/12 | 35.8 | +20.9% |
| 2011/12 | 29.6 | +138.6% |
| 2010/12 | 12.4 | - |