| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 3,707 | +4.3% |
| 3Q25 | 3,330 | +6.2% |
| 2Q25 | 3,381 | +5.5% |
| 1Q25 | 3,327 | +11.2% |
| 4Q24 | 3,554 | +18.2% |
| 3Q24 | 3,137 | +12.1% |
| 2Q24 | 3,204 | +24.1% |
| 1Q24 | 2,993 | +13.4% |
| 4Q23 | 3,006 | +25.0% |
| 3Q23 | 2,799 | +10.9% |
| 2Q23 | 2,581 | +42.2% |
| 1Q23 | 2,639 | +44.3% |
| 4Q22 | 2,404 | +12.9% |
| 3Q22 | 2,525 | -1.9% |
| 2Q22 | 1,815 | -16.8% |
| 1Q22 | 1,829 | +22.0% |
| 4Q21 | 2,130 | -27.4% |
| 3Q21 | 2,575 | -12.7% |
| 2Q21 | 2,181 | -27.3% |
| 1Q21 | 1,499 | -49.9% |
| 4Q20 | 2,932 | -3.9% |
| 3Q20 | 2,950 | -0.4% |
| 2Q20 | 2,998 | +3.5% |
| 1Q20 | 2,992 | +4.5% |
| 4Q19 | 3,051 | +3.5% |
| 3Q19 | 2,963 | +0.3% |
| 2Q19 | 2,897 | -0.7% |
| 1Q19 | 2,864 | -0.5% |
| 4Q18 | 2,947 | +0.8% |
| 3Q18 | 2,954 | +0.8% |
| 2Q18 | 2,916 | +1.5% |
| 1Q18 | 2,877 | +4.0% |
| 4Q17 | 2,925 | +1.3% |
| 3Q17 | 2,932 | -1.3% |
| 2Q17 | 2,874 | - |
| 1Q17 | 2,767 | - |
| 4Q16 | 2,887 | - |
| 3Q16 | 2,970 | - |