| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 31.1 | +888.7% |
| 2023/12 | 3.1 | -88.7% |
| 2022/12 | 27.7 | -2.7% |
| 2021/12 | 28.5 | +55.6% |
| 2020/12 | 18.3 | -25.2% |
| 2019/12 | 24.5 | +19.0% |
| 2018/12 | 20.6 | +26.6% |
| 2017/12 | 16.3 | +38.9% |
| 2016/12 | 11.7 | -14.4% |
| 2015/12 | 13.7 | -66.6% |
| 2014/12 | 40.9 | +224.9% |
| 2013/12 | 12.6 | -31.9% |
| 2012/12 | 18.5 | +21.1% |
| 2011/12 | 15.3 | - |