| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2026/3 | 40,378 | +5.6% |
| 2025/3 | 38,248 | -7.1% |
| 2024/3 | 41,173 | +18.6% |
| 2023/3 | 34,710 | +15.0% |
| 2022/3 | 30,184 | -36.3% |
| 2021/3 | 47,398 | -14.1% |
| 2020/3 | 55,204 | -14.8% |
| 2019/3 | 64,816 | +9.8% |
| 2018/3 | 59,006 | +26.8% |
| 2017/3 | 46,517 | -12.0% |
| 2016/3 | 52,890 | -17.8% |
| 2015/3 | 64,304 | -11.0% |
| 2014/3 | 72,266 | -5.8% |
| 2013/3 | 76,691 | - |