| （単位：百万） | 売上原価 | 前年比（％） |
|---|---|---|
| 2024/12 | 13,771 | +2.6% |
| 2023/12 | 13,422 | +28.2% |
| 2022/12 | 10,473 | +19.0% |
| 2021/12 | 8,802 | +22.6% |
| 2020/12 | 7,181 | +9.8% |
| 2019/12 | 6,540 | +10.6% |
| 2018/12 | 5,915 | +18.9% |
| 2017/12 | 4,976 | +32.7% |
| 2016/12 | 3,750 | +10.6% |
| 2015/12 | 3,392 | +4.0% |
| 2014/12 | 3,260 | +6.3% |
| 2013/12 | 3,068 | +12.5% |
| 2012/12 | 2,726 | -14.8% |
| 2011/12 | 3,202 | - |