| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 3,403 | +3.4% |
| 3Q25 | 3,248 | +8.0% |
| 2Q25 | 3,273 | +6.4% |
| 1Q25 | 3,166 | +7.0% |
| 4Q24 | 3,291 | +5.1% |
| 3Q24 | 3,008 | -5.9% |
| 2Q24 | 3,076 | +6.2% |
| 1Q24 | 2,958 | +2.0% |
| 4Q23 | 3,132 | +10.5% |
| 3Q23 | 3,196 | +21.8% |
| 2Q23 | 2,898 | +10.3% |
| 1Q23 | 2,900 | +13.4% |
| 4Q22 | 2,835 | +1.0% |
| 3Q22 | 2,623 | +2.0% |
| 2Q22 | 2,628 | +2.8% |
| 1Q22 | 2,558 | -1.6% |
| 4Q21 | 2,809 | +1.8% |
| 3Q21 | 2,571 | +6.1% |
| 2Q21 | 2,557 | +3.4% |
| 1Q21 | 2,600 | +5.3% |
| 4Q20 | 2,759 | -1.8% |
| 3Q20 | 2,423 | +0.2% |
| 2Q20 | 2,472 | -3.2% |
| 1Q20 | 2,468 | -6.0% |
| 4Q19 | 2,810 | -17.3% |
| 3Q19 | 2,419 | -0.8% |
| 2Q19 | 2,555 | -2.9% |
| 1Q19 | 2,624 | +2.2% |
| 4Q18 | 3,398 | +24.1% |
| 3Q18 | 2,438 | -19.3% |
| 2Q18 | 2,630 | -11.7% |
| 1Q18 | 2,568 | -7.4% |
| 4Q17 | 2,739 | -6.5% |
| 3Q17 | 3,020 | +8.1% |
| 2Q17 | 2,979 | +20.3% |
| 1Q17 | 2,775 | +5.4% |
| 4Q16 | 2,930 | +17.2% |
| 3Q16 | 2,794 | - |
| 2Q16 | 2,475 | - |
| 1Q16 | 2,632 | - |
| 4Q15 | 2,499 | - |