| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 1,853 | -0.3% |
| 2Q26 | 1,766 | -5.6% |
| 1Q26 | 1,722 | +2.6% |
| 4Q25 | 1,849 | +5.2% |
| 3Q25 | 1,859 | +2.5% |
| 2Q25 | 1,872 | +3.7% |
| 1Q25 | 1,678 | -6.6% |
| 4Q24 | 1,758 | -10.1% |
| 3Q24 | 1,813 | -14.8% |
| 2Q24 | 1,805 | +1.8% |
| 1Q24 | 1,796 | +8.4% |
| 4Q23 | 1,956 | +10.3% |
| 3Q23 | 2,127 | +22.3% |
| 2Q23 | 1,772 | -2.2% |
| 1Q23 | 1,656 | -6.3% |
| 4Q22 | 1,773 | -14.6% |
| 3Q22 | 1,740 | -17.6% |
| 2Q22 | 1,812 | -8.2% |
| 1Q22 | 1,768 | +22.3% |
| 4Q21 | 2,076 | +28.7% |
| 3Q21 | 2,110 | +36.1% |
| 2Q21 | 1,973 | +50.7% |
| 1Q21 | 1,445 | +37.3% |
| 4Q20 | 1,612 | +38.5% |
| 3Q20 | 1,551 | +52.5% |
| 2Q20 | 1,309 | +8.7% |
| 1Q20 | 1,052 | +6.5% |
| 4Q19 | 1,164 | +3.1% |
| 3Q19 | 1,017 | +13.4% |
| 2Q19 | 1,204 | +42.0% |
| 1Q19 | 988 | +25.6% |
| 4Q18 | 1,129 | +26.7% |
| 3Q18 | 897 | +13.0% |
| 2Q18 | 848 | +3.4% |
| 1Q18 | 786 | +15.1% |
| 4Q17 | 891 | +7.9% |
| 3Q17 | 793 | +20.1% |
| 2Q17 | 820 | - |
| 1Q17 | 683 | - |
| 4Q16 | 826 | - |
| 3Q16 | 660 | - |