| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2026/3 | 84,169 | -16.8% |
| 2025/3 | 101,160 | -18.8% |
| 2024/3 | 124,587 | -25.8% |
| 2023/3 | 167,861 | +60.4% |
| 2022/3 | 104,636 | +39.3% |
| 2021/3 | 75,126 | -24.9% |
| 2020/3 | 100,011 | -8.1% |
| 2019/3 | 108,850 | +7.7% |
| 2018/3 | 101,086 | +24.9% |
| 2017/3 | 80,918 | -4.2% |
| 2016/3 | 84,465 | -5.3% |
| 2015/3 | 89,175 | -6.9% |
| 2014/3 | 95,803 | -4.2% |
| 2013/3 | 100,030 | - |