| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2026/3 | 148,359 | -18.9% |
| 2025/3 | 182,957 | +6.1% |
| 2024/3 | 172,495 | +4.5% |
| 2023/3 | 165,044 | -0.0% |
| 2022/3 | 165,114 | +3.8% |
| 2021/3 | 159,078 | +7.8% |
| 2020/3 | 147,620 | +10.2% |
| 2019/3 | 133,986 | +5.1% |
| 2018/3 | 127,540 | +0.8% |
| 2017/3 | 126,556 | +0.2% |
| 2016/3 | 126,326 | +0.2% |
| 2015/3 | 126,062 | +9.8% |
| 2014/3 | 114,824 | +14.1% |
| 2013/3 | 100,597 | - |