| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 21.7 | +232.9% |
| 2023/12 | 6.5 | -82.6% |
| 2022/12 | 37.5 | -34.7% |
| 2021/12 | 57.4 | +34.2% |
| 2020/12 | 42.7 | +78.0% |
| 2019/12 | 24.0 | +35.7% |
| 2018/12 | 17.7 | +108.2% |
| 2017/12 | 8.5 | -41.9% |
| 2016/12 | 14.6 | +251.4% |
| 2015/12 | 4.2 | -166.6% |
| 2014/12 | -6.3 | -69.4% |
| 2013/12 | -20.4 | -23.7% |
| 2012/12 | -26.8 | -38.8% |
| 2011/12 | -43.8 | - |