| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 3.6 | +98.6% |
| 2023/12 | 1.8 | -51.8% |
| 2022/12 | 3.8 | -18.7% |
| 2021/12 | 4.6 | +171.7% |
| 2020/12 | 1.7 | -118.5% |
| 2019/12 | -9.2 | -186.8% |
| 2018/12 | 10.6 | -33.1% |
| 2017/12 | 15.9 | -13.5% |
| 2016/12 | 18.4 | -0.5% |
| 2015/12 | 18.5 | +4.2% |
| 2014/12 | 17.8 | +0.1% |
| 2013/12 | 17.7 | +7.1% |
| 2012/12 | 16.6 | +8.6% |
| 2011/12 | 15.2 | -9.4% |
| 2010/12 | 16.8 | - |