| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 21.17 | -12.2% |
| 2023/12 | 24.1 | -22.3% |
| 2022/12 | 31.03 | -2.8% |
| 2021/12 | 31.93 | +12.5% |
| 2020/12 | 28.39 | +56.4% |
| 2019/12 | 18.15 | +20.7% |
| 2018/12 | 15.03 | +5.2% |
| 2017/12 | 14.3 | +58.7% |
| 2016/12 | 9.01 | +17.2% |
| 2015/12 | 7.69 | -37.5% |
| 2014/12 | 12.29 | +298.2% |
| 2014/3 | 3.08 | -0.2% |
| 2013/3 | 3.09 | -118.4% |
| 2012/3 | -16.78 | -28.2% |
| 2011/3 | -23.38 | - |