| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 1,979 | -2.3% |
| 3Q25 | 1,963 | -2.0% |
| 2Q25 | 1,917 | +6.5% |
| 1Q25 | 2,099 | +8.8% |
| 4Q24 | 2,025 | +6.4% |
| 3Q24 | 2,004 | +7.8% |
| 2Q24 | 1,800 | +4.5% |
| 1Q24 | 1,929 | +7.9% |
| 4Q23 | 1,904 | +10.1% |
| 3Q23 | 1,859 | +12.6% |
| 2Q23 | 1,722 | +12.4% |
| 1Q23 | 1,789 | +4.9% |
| 4Q22 | 1,728 | +3.3% |
| 3Q22 | 1,651 | +3.3% |
| 2Q22 | 1,533 | +1.0% |
| 1Q22 | 1,705 | -0.3% |
| 4Q21 | 1,673 | +4.8% |
| 3Q21 | 1,597 | +1.9% |
| 2Q21 | 1,518 | -10.9% |
| 1Q21 | 1,711 | -7.9% |
| 4Q20 | 1,596 | -13.5% |
| 3Q20 | 1,567 | -9.6% |
| 2Q20 | 1,704 | +1.6% |
| 1Q20 | 1,858 | +1.6% |
| 4Q19 | 1,846 | +2.0% |
| 3Q19 | 1,734 | +1.4% |
| 2Q19 | 1,677 | +0.5% |
| 1Q19 | 1,829 | +1.7% |
| 4Q18 | 1,810 | +1.9% |
| 3Q18 | 1,711 | +2.8% |
| 2Q18 | 1,668 | +3.2% |
| 1Q18 | 1,798 | +7.0% |
| 4Q17 | 1,777 | +7.2% |
| 3Q17 | 1,664 | +7.6% |
| 2Q17 | 1,617 | +5.2% |
| 1Q17 | 1,680 | +0.9% |
| 4Q16 | 1,658 | - |
| 3Q16 | 1,546 | - |
| 2Q16 | 1,537 | - |
| 1Q16 | 1,665 | - |