| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2026/3 | 263,595 | -9.1% |
| 2025/3 | 289,924 | +21.5% |
| 2024/3 | 238,567 | -0.8% |
| 2023/3 | 240,380 | +20.7% |
| 2022/3 | 199,237 | -2.1% |
| 2021/3 | 203,543 | -25.1% |
| 2020/3 | 271,780 | +16.6% |
| 2019/3 | 233,133 | +21.8% |
| 2018/3 | 191,366 | +9.4% |
| 2017/3 | 174,957 | -9.4% |
| 2016/3 | 193,022 | -17.7% |
| 2015/3 | 234,649 | +11.5% |
| 2014/3 | 210,460 | +22.3% |
| 2013/3 | 172,075 | - |