| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2026/3 | 145,604 | -10.4% |
| 2025/3 | 162,535 | +21.8% |
| 2024/3 | 133,488 | +3.4% |
| 2023/3 | 129,038 | +13.0% |
| 2022/3 | 114,217 | +24.0% |
| 2021/3 | 92,104 | +2.9% |
| 2020/3 | 89,491 | -6.1% |
| 2019/3 | 95,260 | +4.9% |
| 2018/3 | 90,810 | +12.3% |
| 2017/3 | 80,858 | -4.8% |
| 2016/3 | 84,901 | -11.5% |
| 2015/3 | 95,975 | +12.7% |
| 2014/3 | 85,136 | +11.4% |
| 2013/3 | 76,428 | - |