| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 12,141 | +1.7% |
| 4Q25 | 12,930 | -13.4% |
| 3Q25 | 12,677 | -4.2% |
| 2Q25 | 13,090 | -3.9% |
| 1Q25 | 11,941 | -12.9% |
| 4Q24 | 14,929 | -1.7% |
| 3Q24 | 13,234 | +6.5% |
| 2Q24 | 13,618 | +11.2% |
| 1Q24 | 13,704 | +9.8% |
| 4Q23 | 15,192 | +17.8% |
| 3Q23 | 12,425 | +25.2% |
| 2Q23 | 12,242 | +7.9% |
| 1Q23 | 12,483 | +22.9% |
| 4Q22 | 12,899 | +16.2% |
| 3Q22 | 9,927 | -2.9% |
| 2Q22 | 11,346 | +26.3% |
| 1Q22 | 10,158 | +14.3% |
| 4Q21 | 11,101 | +16.9% |
| 3Q21 | 10,220 | +39.6% |
| 2Q21 | 8,980 | +1.1% |
| 1Q21 | 8,889 | +5.3% |
| 4Q20 | 9,494 | +0.9% |
| 3Q20 | 7,320 | -7.3% |
| 2Q20 | 8,883 | -1.7% |
| 1Q20 | 8,442 | -5.8% |
| 4Q19 | 9,405 | -4.0% |
| 3Q19 | 7,898 | -11.6% |
| 2Q19 | 9,040 | -2.7% |
| 1Q19 | 8,962 | +13.9% |
| 4Q18 | 9,792 | +9.1% |
| 3Q18 | 8,933 | +14.0% |
| 2Q18 | 9,295 | +20.5% |
| 1Q18 | 7,866 | +13.0% |
| 4Q17 | 8,974 | +11.0% |
| 3Q17 | 7,839 | +12.1% |
| 2Q17 | 7,711 | +14.2% |
| 1Q17 | 6,961 | +0.8% |
| 4Q16 | 8,087 | - |
| 3Q16 | 6,994 | - |
| 2Q16 | 6,752 | - |
| 1Q16 | 6,903 | - |