| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2026/3 | 293,266 | +11.1% |
| 2025/3 | 263,861 | +15.6% |
| 2024/3 | 228,213 | -5.4% |
| 2023/3 | 241,139 | +6.9% |
| 2022/3 | 225,558 | +0.9% |
| 2021/3 | 223,620 | -6.2% |
| 2020/3 | 238,274 | +2.5% |
| 2019/3 | 232,446 | +0.5% |
| 2018/3 | 231,180 | +8.4% |
| 2017/3 | 213,292 | +3.6% |
| 2016/3 | 205,854 | +4.0% |
| 2015/3 | 198,009 | +9.4% |
| 2014/3 | 181,075 | +15.2% |
| 2013/3 | 157,186 | - |