| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 21.13 | -14.7% |
| 2023/12 | 24.77 | -8.2% |
| 2022/12 | 26.97 | +43.1% |
| 2021/12 | 18.85 | -168.0% |
| 2020/12 | -27.73 | -219.3% |
| 2019/12 | 23.24 | -39.5% |
| 2018/12 | 38.43 | -0.9% |
| 2017/12 | 38.78 | -12.9% |
| 2016/12 | 44.52 | +10.3% |
| 2015/12 | 40.38 | -12.3% |
| 2014/12 | 46.04 | +3.8% |
| 2013/12 | 44.36 | +7.5% |
| 2012/12 | 41.28 | +24.9% |
| 2011/12 | 33.06 | -2.9% |
| 2010/12 | 34.05 | - |