| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 22,621 | -2.0% |
| 3Q25 | 24,484 | -0.4% |
| 2Q25 | 23,484 | -1.2% |
| 1Q25 | 23,754 | +0.9% |
| 4Q24 | 23,075 | +7.3% |
| 3Q24 | 24,586 | +8.9% |
| 2Q24 | 23,777 | +13.3% |
| 1Q24 | 23,543 | +13.7% |
| 4Q23 | 21,499 | +11.4% |
| 3Q23 | 22,578 | +7.9% |
| 2Q23 | 20,989 | +2.7% |
| 1Q23 | 20,698 | +0.9% |
| 4Q22 | 19,291 | +3.6% |
| 3Q22 | 20,919 | +5.8% |
| 2Q22 | 20,427 | +5.9% |
| 1Q22 | 20,510 | +14.9% |
| 4Q21 | 18,614 | +12.0% |
| 3Q21 | 19,771 | +6.4% |
| 2Q21 | 19,283 | +5.4% |
| 1Q21 | 17,848 | -2.4% |
| 4Q20 | 16,626 | -3.1% |
| 3Q20 | 18,578 | -0.8% |
| 2Q20 | 18,295 | +4.2% |
| 1Q20 | 18,281 | +1.6% |
| 4Q19 | 17,163 | +1.9% |
| 3Q19 | 18,734 | +2.2% |
| 2Q19 | 17,553 | +0.4% |
| 1Q19 | 18,001 | +2.5% |
| 4Q18 | 16,838 | +2.5% |
| 3Q18 | 18,334 | +4.0% |
| 2Q18 | 17,478 | +2.8% |
| 1Q18 | 17,555 | +1.7% |
| 4Q17 | 16,427 | +2.6% |
| 3Q17 | 17,622 | +1.4% |
| 2Q17 | 17,010 | - |
| 1Q17 | 17,263 | - |
| 4Q16 | 16,012 | - |
| 3Q16 | 17,385 | - |