| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2026/3 | 28,101 | -25.5% |
| 2025/3 | 37,705 | +3.8% |
| 2024/3 | 36,316 | -21.3% |
| 2023/3 | 46,159 | +59.8% |
| 2022/3 | 28,890 | +20.5% |
| 2021/3 | 23,978 | -15.3% |
| 2020/3 | 28,323 | -10.5% |
| 2019/3 | 31,647 | -0.7% |
| 2018/3 | 31,872 | +15.6% |
| 2017/3 | 27,572 | +7.7% |
| 2016/3 | 25,597 | -3.4% |
| 2015/3 | 26,498 | -2.4% |
| 2014/3 | 27,157 | +13.1% |
| 2013/3 | 24,008 | - |