| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2026/3 | 158,865 | -6.7% |
| 2025/3 | 170,250 | -0.8% |
| 2024/3 | 171,655 | +15.4% |
| 2023/3 | 148,770 | +9.0% |
| 2022/3 | 136,442 | -17.9% |
| 2021/3 | 166,231 | -6.2% |
| 2020/3 | 177,246 | +12.4% |
| 2019/3 | 157,755 | +2.9% |
| 2018/3 | 153,323 | +1.2% |
| 2017/3 | 151,551 | -7.1% |
| 2016/3 | 163,178 | +14.8% |
| 2015/3 | 142,153 | +9.9% |
| 2014/3 | 129,365 | +6.3% |
| 2013/3 | 121,754 | - |