| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 8,891 | -1.7% |
| 3Q25 | 7,920 | +2.2% |
| 2Q25 | 7,940 | +3.2% |
| 1Q25 | 7,270 | -1.2% |
| 4Q24 | 9,043 | +7.3% |
| 3Q24 | 7,746 | +1.6% |
| 2Q24 | 7,697 | +3.6% |
| 1Q24 | 7,360 | -5.0% |
| 4Q23 | 8,428 | -8.8% |
| 3Q23 | 7,622 | +1.2% |
| 2Q23 | 7,429 | -0.2% |
| 1Q23 | 7,748 | +13.7% |
| 4Q22 | 9,242 | +13.6% |
| 3Q22 | 7,532 | +5.9% |
| 2Q22 | 7,447 | +5.3% |
| 1Q22 | 6,816 | +6.5% |
| 4Q21 | 8,138 | -14.1% |
| 3Q21 | 7,111 | +2.5% |
| 2Q21 | 7,072 | +9.5% |
| 1Q21 | 6,399 | -9.9% |
| 4Q20 | 9,475 | -7.5% |
| 3Q20 | 6,937 | -20.9% |
| 2Q20 | 6,461 | -27.5% |
| 1Q20 | 7,106 | -11.3% |
| 4Q19 | 10,239 | -11.5% |
| 3Q19 | 8,765 | -13.2% |
| 2Q19 | 8,910 | -14.3% |
| 1Q19 | 8,011 | -15.2% |
| 4Q18 | 11,573 | -5.3% |
| 3Q18 | 10,101 | -3.7% |
| 2Q18 | 10,402 | +8.3% |
| 1Q18 | 9,445 | +1.3% |
| 4Q17 | 12,217 | +10.6% |
| 3Q17 | 10,490 | +7.4% |
| 2Q17 | 9,605 | -10.0% |
| 1Q17 | 9,320 | -1.3% |
| 4Q16 | 11,050 | -13.1% |
| 3Q16 | 9,769 | - |
| 2Q16 | 10,678 | - |
| 1Q16 | 9,443 | - |
| 4Q15 | 12,719 | - |