| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2026/3 | 106,801 | -5.6% |
| 2025/3 | 113,087 | +8.1% |
| 2024/3 | 104,576 | -1.7% |
| 2023/3 | 106,378 | +7.1% |
| 2022/3 | 99,335 | +2.1% |
| 2021/3 | 97,282 | +0.4% |
| 2020/3 | 96,879 | +4.3% |
| 2019/3 | 92,897 | +7.2% |
| 2018/3 | 86,687 | -0.8% |
| 2017/3 | 87,425 | +3.8% |
| 2016/3 | 84,248 | -16.9% |
| 2015/3 | 101,393 | -3.8% |
| 2014/3 | 105,451 | +10.7% |
| 2013/3 | 95,254 | - |