| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 22.2 | -28.4% |
| 2023/12 | 31.0 | -39.6% |
| 2022/12 | 51.4 | -17.8% |
| 2021/12 | 62.5 | +135.3% |
| 2020/12 | 26.6 | +38.5% |
| 2019/12 | 19.2 | -46.4% |
| 2018/12 | 35.8 | -21.3% |
| 2017/12 | 45.5 | -9.1% |
| 2016/12 | 50.1 | -10.6% |
| 2015/12 | 56.0 | +5.5% |
| 2014/12 | 53.1 | +4.8% |
| 2013/12 | 50.7 | +41.2% |
| 2012/12 | 35.9 | +60.1% |
| 2011/12 | 22.4 | - |