| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2023/12 | 0.12 | -95.7% |
| 2022/12 | 2.92 | +10930.6% |
| 2021/12 | 0.03 | -101.3% |
| 2020/12 | -2.09 | -80.9% |
| 2019/12 | -10.96 | +38.8% |
| 2018/12 | -7.9 | +162.2% |
| 2017/12 | -3.01 | -132.7% |
| 2016/12 | 9.21 | -33.1% |
| 2015/12 | 13.76 | -27.9% |
| 2014/12 | 19.08 | -14.4% |
| 2013/12 | 22.3 | +2.2% |
| 2012/12 | 21.81 | -1.8% |
| 2011/12 | 22.21 | -3.6% |
| 2010/12 | 23.06 | - |