| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 2,585 | -2.0% |
| 3Q25 | 2,010 | -5.6% |
| 2Q25 | 2,280 | +17.8% |
| 1Q25 | 2,136 | +2.7% |
| 4Q24 | 2,638 | -0.7% |
| 3Q24 | 2,128 | -0.3% |
| 2Q24 | 1,935 | -11.3% |
| 1Q24 | 2,080 | +2.3% |
| 4Q23 | 2,657 | +10.3% |
| 3Q23 | 2,136 | +9.2% |
| 2Q23 | 2,181 | +16.5% |
| 1Q23 | 2,033 | +9.8% |
| 4Q22 | 2,408 | +11.4% |
| 3Q22 | 1,955 | +19.6% |
| 2Q22 | 1,871 | +9.9% |
| 1Q22 | 1,852 | +5.2% |
| 4Q21 | 2,162 | +14.2% |
| 3Q21 | 1,635 | -12.1% |
| 2Q21 | 1,703 | +1.7% |
| 1Q21 | 1,760 | -3.9% |
| 4Q20 | 1,892 | -5.5% |
| 3Q20 | 1,860 | -15.0% |
| 2Q20 | 1,675 | -14.5% |
| 1Q20 | 1,831 | -3.7% |
| 4Q19 | 2,002 | -7.3% |
| 3Q19 | 2,189 | +20.1% |
| 2Q19 | 1,959 | +15.3% |
| 1Q19 | 1,901 | +20.3% |
| 4Q18 | 2,160 | +16.3% |
| 3Q18 | 1,822 | +19.5% |
| 2Q18 | 1,698 | +17.6% |
| 1Q18 | 1,581 | +15.3% |
| 4Q17 | 1,856 | +21.1% |
| 3Q17 | 1,524 | +13.6% |
| 2Q17 | 1,444 | +10.3% |
| 1Q17 | 1,370 | -12.0% |
| 4Q16 | 1,532 | -11.2% |
| 3Q16 | 1,341 | - |
| 2Q16 | 1,309 | - |
| 1Q16 | 1,556 | - |
| 4Q15 | 1,726 | - |