| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 22.22 | -28.4% |
| 2023/12 | 31.02 | -39.6% |
| 2022/12 | 51.4 | -17.8% |
| 2021/12 | 62.53 | +135.3% |
| 2020/12 | 26.58 | +38.5% |
| 2019/12 | 19.19 | -46.4% |
| 2018/12 | 35.82 | -21.3% |
| 2017/12 | 45.52 | -9.1% |
| 2016/12 | 50.09 | -10.6% |
| 2015/12 | 56.02 | +5.5% |
| 2014/12 | 53.08 | +4.8% |
| 2013/12 | 50.68 | +41.2% |
| 2012/12 | 35.9 | +60.1% |
| 2011/12 | 22.42 | - |