| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 26.2 | -18.0% |
| 2023/12 | 31.9 | -31.8% |
| 2022/12 | 46.8 | -14.1% |
| 2021/12 | 54.5 | +45.2% |
| 2020/12 | 37.5 | +8.9% |
| 2019/12 | 34.5 | -6.6% |
| 2018/12 | 36.9 | -18.8% |
| 2017/12 | 45.5 | +36.3% |
| 2016/12 | 33.4 | +27.0% |
| 2015/12 | 26.3 | -10.0% |
| 2014/12 | 29.2 | +10.2% |
| 2013/12 | 26.5 | +18.3% |
| 2012/12 | 22.4 | +41.1% |
| 2011/12 | 15.9 | +45.0% |
| 2010/12 | 10.9 | - |