| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2023/12 | 0.1 | -95.7% |
| 2022/12 | 2.9 | +10930.6% |
| 2021/12 | 0.0 | -101.3% |
| 2020/12 | -2.1 | -80.9% |
| 2019/12 | -11.0 | +38.8% |
| 2018/12 | -7.9 | +162.2% |
| 2017/12 | -3.0 | -132.7% |
| 2016/12 | 9.2 | -33.1% |
| 2015/12 | 13.8 | -27.9% |
| 2014/12 | 19.1 | -14.4% |
| 2013/12 | 22.3 | +2.2% |
| 2012/12 | 21.8 | -1.8% |
| 2011/12 | 22.2 | -3.6% |
| 2010/12 | 23.1 | - |