| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 43,177 | +46.9% |
| 3Q25 | 42,009 | +63.9% |
| 2Q25 | 41,800 | +55.5% |
| 1Q25 | 33,464 | +19.2% |
| 4Q24 | 29,386 | +1.2% |
| 3Q24 | 25,629 | +1.7% |
| 2Q24 | 26,889 | -0.1% |
| 1Q24 | 28,065 | +9.6% |
| 4Q23 | 29,024 | +19.8% |
| 3Q23 | 25,198 | +8.5% |
| 2Q23 | 26,924 | +3.4% |
| 1Q23 | 25,619 | +5.3% |
| 4Q22 | 24,232 | +5.6% |
| 3Q22 | 23,220 | -15.5% |
| 2Q22 | 26,050 | +1.1% |
| 1Q22 | 24,326 | -5.2% |
| 4Q21 | 22,946 | -5.8% |
| 3Q21 | 27,470 | +2.7% |
| 2Q21 | 25,773 | +7.2% |
| 1Q21 | 25,649 | -5.9% |
| 4Q20 | 24,352 | -16.7% |
| 3Q20 | 26,740 | -6.7% |
| 2Q20 | 24,050 | -9.4% |
| 1Q20 | 27,246 | -1.3% |
| 4Q19 | 29,232 | +6.3% |
| 3Q19 | 28,658 | +13.2% |
| 2Q19 | 26,557 | -2.3% |
| 1Q19 | 27,604 | -1.8% |
| 4Q18 | 27,502 | +2.4% |
| 3Q18 | 25,323 | -0.7% |
| 2Q18 | 27,171 | +15.7% |
| 1Q18 | 28,102 | +19.8% |
| 4Q17 | 26,847 | +16.6% |
| 3Q17 | 25,513 | +13.7% |
| 2Q17 | 23,491 | -13.1% |
| 1Q17 | 23,463 | -0.2% |
| 4Q16 | 23,029 | -4.9% |
| 3Q16 | 22,448 | - |
| 2Q16 | 27,047 | - |
| 1Q16 | 23,509 | - |
| 4Q15 | 24,228 | - |