| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 29.7 | -12.4% |
| 2023/12 | 33.9 | -25.6% |
| 2022/12 | 45.5 | +93.0% |
| 2021/12 | 23.6 | +110.2% |
| 2020/12 | 11.2 | -33.2% |
| 2019/12 | 16.8 | +36.2% |
| 2018/12 | 12.4 | -508.1% |
| 2017/12 | -3.0 | -50.6% |
| 2016/12 | -6.1 | -125.0% |
| 2015/12 | 24.5 | -46.8% |
| 2014/12 | 46.1 | +14.3% |
| 2013/12 | 40.4 | -12.9% |
| 2012/12 | 46.4 | +6.8% |
| 2011/12 | 43.4 | +150.1% |
| 2010/12 | 17.3 | - |