| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2026/3 | 951,909 | +2.0% |
| 2025/3 | 933,033 | +4.0% |
| 2024/3 | 896,856 | +1.3% |
| 2023/3 | 885,201 | +18.6% |
| 2022/3 | 746,205 | -0.0% |
| 2021/3 | 746,382 | -5.2% |
| 2020/3 | 787,135 | -1.4% |
| 2019/3 | 798,618 | +0.6% |
| 2018/3 | 793,705 | +6.3% |
| 2017/3 | 746,954 | -2.8% |
| 2016/3 | 768,242 | +1.6% |
| 2015/3 | 756,410 | +223.1% |
| 2014/3 | 234,074 | +16.0% |
| 2013/3 | 201,761 | - |