| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 32,115 | -11.3% |
| 1Q26 | 33,251 | +0.3% |
| 3Q25 | 32,996 | -2.5% |
| 2Q25 | 36,213 | +11.6% |
| 1Q25 | 33,138 | +4.4% |
| 4Q24 | 35,480 | +11.1% |
| 3Q24 | 33,838 | +2.9% |
| 2Q24 | 32,463 | +6.7% |
| 1Q24 | 31,730 | +14.7% |
| 4Q23 | 31,934 | +16.8% |
| 3Q23 | 32,871 | +33.7% |
| 2Q23 | 30,433 | +25.2% |
| 1Q23 | 27,656 | +13.2% |
| 4Q22 | 27,343 | -1.7% |
| 3Q22 | 24,593 | -7.9% |
| 2Q22 | 24,307 | +22.8% |
| 1Q22 | 24,435 | +2.5% |
| 4Q21 | 27,815 | -8.5% |
| 3Q21 | 26,715 | -14.0% |
| 2Q21 | 19,799 | -37.8% |
| 1Q21 | 23,838 | -24.0% |
| 4Q20 | 30,404 | -7.6% |
| 3Q20 | 31,077 | +0.7% |
| 2Q20 | 31,821 | +2.8% |
| 1Q20 | 31,358 | +6.0% |
| 4Q19 | 32,910 | +4.1% |
| 3Q19 | 30,854 | +3.8% |
| 2Q19 | 30,950 | +5.1% |
| 1Q19 | 29,584 | +2.8% |
| 4Q18 | 31,600 | +5.1% |
| 3Q18 | 29,720 | +6.1% |
| 2Q18 | 29,457 | +6.8% |
| 1Q18 | 28,791 | +3.6% |
| 4Q17 | 30,079 | -3.9% |
| 3Q17 | 28,021 | -0.4% |
| 2Q17 | 27,594 | - |
| 1Q17 | 27,780 | - |
| 4Q16 | 31,287 | - |
| 3Q16 | 28,126 | - |