| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2024/12 | 915,310 | +7.9% |
| 2023/12 | 848,080 | -10.1% |
| 2022/12 | 943,414 | +65.8% |
| 2021/12 | 568,921 | +29.3% |
| 2020/12 | 439,852 | +3.6% |
| 2019/12 | 424,702 | -14.7% |
| 2019/3 | 413,300 | -17.0% |
| 2018/3 | 498,039 | +9.7% |
| 2017/3 | 453,846 | -13.8% |
| 2016/3 | 526,757 | +0.3% |
| 2015/3 | 525,443 | +7.1% |
| 2014/3 | 490,416 | +15.0% |
| 2013/3 | 426,326 | - |