| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 36,666 | +9.5% |
| 4Q25 | 38,486 | +5.4% |
| 3Q25 | 36,747 | +15.6% |
| 2Q25 | 33,390 | +4.4% |
| 1Q25 | 33,500 | +9.0% |
| 4Q24 | 36,515 | +11.1% |
| 3Q24 | 31,787 | +8.3% |
| 2Q24 | 31,968 | +24.4% |
| 1Q24 | 30,726 | +15.3% |
| 4Q23 | 32,866 | +7.5% |
| 3Q23 | 29,339 | +12.1% |
| 2Q23 | 25,691 | -3.4% |
| 1Q23 | 26,639 | +3.3% |
| 4Q22 | 30,587 | +2.4% |
| 3Q22 | 26,167 | +6.7% |
| 2Q22 | 26,609 | - |
| 1Q22 | 25,776 | +4.0% |
| 4Q21 | 29,858 | -5.8% |
| 3Q21 | 24,521 | -7.8% |
| 1Q21 | 24,792 | -0.3% |
| 4Q20 | 31,682 | -4.6% |
| 3Q20 | 26,586 | +17.2% |
| 2Q20 | 25,986 | - |
| 1Q20 | 24,856 | +1.3% |
| 4Q19 | 33,204 | +20.4% |
| 3Q19 | 22,689 | -10.3% |
| 1Q19 | 24,531 | +13.2% |
| 4Q18 | 27,571 | +5.0% |
| 3Q18 | 25,294 | +17.8% |
| 2Q18 | 22,140 | +4.2% |
| 1Q18 | 21,668 | +11.0% |
| 4Q17 | 26,267 | +2.5% |
| 3Q17 | 21,470 | -2.9% |
| 2Q17 | 21,248 | +4.2% |
| 1Q17 | 19,519 | +3.0% |
| 4Q16 | 25,626 | - |
| 3Q16 | 22,111 | - |
| 2Q16 | 20,395 | - |
| 1Q16 | 18,945 | - |