| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 29.77 | +71.4% |
| 2023/12 | 17.37 | +19.5% |
| 2022/12 | 14.54 | -28.3% |
| 2021/12 | 20.29 | +373.8% |
| 2020/12 | 4.28 | -62.2% |
| 2019/12 | 11.33 | -35.1% |
| 2018/12 | 17.47 | -21.9% |
| 2017/12 | 22.36 | -20.9% |
| 2016/12 | 28.27 | +257.5% |
| 2015/12 | 7.91 | -51.5% |
| 2014/12 | 16.29 | -27.1% |
| 2013/12 | 22.33 | -4.4% |
| 2012/12 | 23.37 | +13.5% |
| 2011/12 | 20.58 | +16.3% |
| 2010/12 | 17.7 | - |