| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 38,257 | -4.7% |
| 3Q25 | 43,655 | +7.3% |
| 2Q25 | 35,865 | -9.4% |
| 1Q25 | 39,444 | -1.6% |
| 4Q24 | 40,146 | +17.9% |
| 3Q24 | 40,694 | +13.7% |
| 2Q24 | 39,571 | +18.2% |
| 1Q24 | 40,070 | +22.9% |
| 4Q23 | 34,065 | +25.8% |
| 3Q23 | 35,786 | +41.4% |
| 2Q23 | 33,466 | +4.7% |
| 1Q23 | 32,611 | +24.5% |
| 4Q22 | 27,074 | +10.0% |
| 3Q22 | 25,314 | +7.6% |
| 2Q22 | 31,973 | +48.1% |
| 1Q22 | 26,202 | +28.4% |
| 4Q21 | 24,621 | +24.0% |
| 3Q21 | 23,528 | -1.1% |
| 2Q21 | 21,592 | -18.1% |
| 1Q21 | 20,405 | -12.4% |
| 4Q20 | 19,858 | +13.4% |
| 3Q20 | 23,787 | +5.2% |
| 2Q20 | 26,368 | -0.4% |
| 1Q20 | 23,300 | +18.1% |
| 4Q19 | 17,505 | +15.2% |
| 3Q19 | 22,617 | +33.8% |
| 2Q19 | 26,484 | +14.6% |
| 1Q19 | 19,722 | +15.0% |
| 4Q18 | 15,201 | +15.2% |
| 3Q18 | 16,901 | +6.6% |
| 2Q18 | 23,111 | +23.8% |
| 1Q18 | 17,152 | +17.8% |
| 4Q17 | 13,190 | +12.6% |
| 3Q17 | 15,862 | +0.1% |
| 2Q17 | 18,666 | - |
| 1Q17 | 14,558 | - |
| 4Q16 | 11,715 | - |
| 3Q16 | 15,848 | - |