| 経常（税引前）利益率（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 29.93 | +16.2% |
| 2023/12 | 25.77 | -45.4% |
| 2022/12 | 47.16 | +708.8% |
| 2021/12 | 5.83 | -218.3% |
| 2020/12 | -4.93 | -201.7% |
| 2019/12 | 4.85 | -67.6% |
| 2018/12 | 14.94 | -66.4% |
| 2017/12 | 44.43 | +235.3% |
| 2016/12 | 13.25 | -152.9% |
| 2015/12 | -25.03 | -184.2% |
| 2014/12 | 29.74 | +83.6% |
| 2013/12 | 16.2 | -9.4% |
| 2012/12 | 17.88 | +185.8% |
| 2011/12 | 6.26 | - |