| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2026/3 | 112,848 | +2.2% |
| 2025/3 | 110,449 | -0.9% |
| 2024/3 | 111,398 | +11.1% |
| 2023/3 | 100,265 | +7.2% |
| 2022/3 | 93,499 | -2.0% |
| 2021/3 | 95,406 | -21.2% |
| 2020/3 | 121,042 | +4.0% |
| 2019/3 | 116,388 | +2.7% |
| 2018/3 | 113,368 | +11.5% |
| 2017/3 | 101,678 | -3.3% |
| 2016/3 | 105,144 | -0.5% |
| 2015/3 | 105,704 | -5.8% |
| 2014/3 | 112,162 | -0.6% |
| 2013/3 | 112,831 | - |