| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2026/3 | 87,955 | +19.3% |
| 2025/3 | 73,734 | -8.8% |
| 2024/3 | 80,814 | +13.4% |
| 2023/3 | 71,279 | -6.5% |
| 2022/3 | 76,194 | -6.2% |
| 2021/3 | 81,230 | -16.2% |
| 2020/3 | 96,877 | +8.3% |
| 2019/3 | 89,469 | +7.1% |
| 2018/3 | 83,568 | +12.5% |
| 2017/3 | 74,310 | +6.8% |
| 2016/3 | 69,603 | +5.9% |
| 2015/3 | 65,730 | 0.0% |
| 2014/3 | 65,718 | +10.2% |
| 2013/3 | 59,618 | - |