| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 15.1 | -20.5% |
| 2023/12 | 19.0 | +209.6% |
| 2022/12 | 6.1 | -72.4% |
| 2021/12 | 22.2 | +122.8% |
| 2020/12 | 10.0 | -4.5% |
| 2019/12 | 10.4 | -55.5% |
| 2018/12 | 23.4 | -4.6% |
| 2017/12 | 24.6 | +0.5% |
| 2016/12 | 24.4 | +0.9% |
| 2015/12 | 24.2 | +69.3% |
| 2014/12 | 14.3 | -30.6% |
| 2013/12 | 20.6 | +442.9% |
| 2012/12 | 3.8 | -74.9% |
| 2011/12 | 15.1 | -54.4% |
| 2010/12 | 33.1 | - |