| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 29.8 | +71.4% |
| 2023/12 | 17.4 | +19.5% |
| 2022/12 | 14.5 | -28.3% |
| 2021/12 | 20.3 | +373.8% |
| 2020/12 | 4.3 | -62.2% |
| 2019/12 | 11.3 | -35.1% |
| 2018/12 | 17.5 | -21.9% |
| 2017/12 | 22.4 | -20.9% |
| 2016/12 | 28.3 | +257.5% |
| 2015/12 | 7.9 | -51.5% |
| 2014/12 | 16.3 | -27.1% |
| 2013/12 | 22.3 | -4.4% |
| 2012/12 | 23.4 | +13.5% |
| 2011/12 | 20.6 | +16.3% |
| 2010/12 | 17.7 | - |