| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 3,730 | +9.7% |
| 3Q25 | 3,632 | -1.9% |
| 2Q25 | 3,640 | -6.8% |
| 1Q25 | 3,701 | +10.6% |
| 4Q24 | 3,401 | -9.8% |
| 3Q24 | 3,701 | +33.6% |
| 2Q24 | 3,908 | +36.7% |
| 1Q24 | 3,346 | +41.5% |
| 4Q23 | 3,770 | +36.4% |
| 3Q23 | 2,771 | +28.0% |
| 2Q23 | 2,859 | +16.2% |
| 1Q23 | 2,364 | +9.7% |
| 4Q22 | 2,765 | -7.5% |
| 3Q22 | 2,164 | -10.1% |
| 2Q22 | 2,461 | -4.1% |
| 1Q22 | 2,155 | -2.1% |
| 4Q21 | 2,990 | +3.0% |
| 3Q21 | 2,407 | +12.2% |
| 2Q21 | 2,567 | -19.7% |
| 1Q21 | 2,201 | +9.0% |
| 4Q20 | 2,904 | +5.4% |
| 3Q20 | 2,145 | +21.4% |
| 2Q20 | 3,197 | +13.5% |
| 1Q20 | 2,019 | +18.5% |
| 4Q19 | 2,754 | +8.8% |
| 3Q19 | 1,766 | -2.7% |
| 2Q19 | 2,817 | -3.4% |
| 1Q19 | 1,704 | -12.9% |
| 4Q18 | 2,531 | -15.6% |
| 3Q18 | 1,815 | -7.7% |
| 2Q18 | 2,916 | -2.2% |
| 1Q18 | 1,957 | +4.0% |
| 4Q17 | 3,001 | -9.6% |
| 3Q17 | 1,967 | +15.8% |
| 2Q17 | 2,981 | - |
| 1Q17 | 1,882 | - |
| 4Q16 | 3,320 | - |
| 3Q16 | 1,698 | - |