| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 2,092 | -6.1% |
| 4Q25 | 2,240 | +0.7% |
| 3Q25 | 2,027 | +5.6% |
| 2Q25 | 2,167 | +10.0% |
| 1Q25 | 2,228 | +7.1% |
| 4Q24 | 2,226 | +3.3% |
| 3Q24 | 1,919 | -19.1% |
| 2Q24 | 1,969 | - |
| 1Q24 | 2,080 | -3.8% |
| 4Q23 | 2,154 | +2.1% |
| 3Q23 | 2,372 | +26.4% |
| 1Q23 | 2,161 | +14.2% |
| 4Q22 | 2,108 | +12.7% |
| 3Q22 | 1,876 | +12.6% |
| 2Q22 | 1,684 | +2.8% |
| 1Q22 | 1,892 | +8.0% |
| 4Q21 | 1,870 | -0.2% |
| 3Q21 | 1,665 | -6.7% |
| 2Q21 | 1,638 | - |
| 1Q21 | 1,753 | -4.8% |
| 4Q20 | 1,874 | -3.9% |
| 3Q20 | 1,785 | -7.7% |
| 1Q20 | 1,841 | -2.5% |
| 4Q19 | 1,950 | +1.1% |
| 3Q19 | 1,933 | +9.4% |
| 2Q19 | 2,083 | +5.7% |
| 1Q19 | 1,888 | -5.2% |
| 4Q18 | 1,929 | +3.7% |
| 3Q18 | 1,767 | +7.2% |
| 2Q18 | 1,971 | +12.8% |
| 1Q18 | 1,991 | +16.6% |
| 4Q17 | 1,860 | +11.2% |
| 3Q17 | 1,647 | +0.7% |
| 2Q17 | 1,748 | +2.0% |
| 1Q17 | 1,707 | -9.3% |
| 4Q16 | 1,672 | - |
| 3Q16 | 1,636 | - |
| 2Q16 | 1,713 | - |
| 1Q16 | 1,882 | - |