| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 23.5 | +251.3% |
| 2023/12 | 6.7 | -90.3% |
| 2022/12 | 68.6 | -28.4% |
| 2021/12 | 95.9 | +31.8% |
| 2020/12 | 72.7 | +290.2% |
| 2019/12 | 18.6 | -39.9% |
| 2018/12 | 31.0 | +5.3% |
| 2017/12 | 29.4 | -43.9% |
| 2016/12 | 52.4 | -8.5% |
| 2015/12 | 57.3 | -13.4% |
| 2014/12 | 66.1 | -8.4% |
| 2013/12 | 72.2 | +61.4% |
| 2012/12 | 44.7 | -17.6% |
| 2011/12 | 54.3 | - |