| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 39,767 | +22.5% |
| 3Q25 | 37,870 | +23.7% |
| 2Q25 | 36,118 | +23.6% |
| 1Q25 | 35,430 | +17.4% |
| 4Q24 | 32,460 | +14.2% |
| 3Q24 | 30,626 | +11.3% |
| 2Q24 | 29,222 | +30.4% |
| 1Q24 | 30,169 | +12.7% |
| 4Q23 | 28,422 | +10.8% |
| 3Q23 | 27,508 | +10.6% |
| 2Q23 | 22,407 | -5.9% |
| 1Q23 | 26,767 | +10.7% |
| 4Q22 | 25,656 | -4.3% |
| 3Q22 | 24,875 | -2.4% |
| 2Q22 | 23,823 | -5.7% |
| 1Q22 | 24,182 | -2.4% |
| 4Q21 | 26,815 | +10.6% |
| 3Q21 | 25,498 | +4.9% |
| 2Q21 | 25,258 | +16.1% |
| 1Q21 | 24,788 | +14.0% |
| 4Q20 | 24,242 | +20.6% |
| 3Q20 | 24,302 | +23.3% |
| 2Q20 | 21,758 | +11.5% |
| 1Q20 | 21,748 | +3.4% |
| 4Q19 | 20,093 | -0.1% |
| 3Q19 | 19,711 | +3.9% |
| 2Q19 | 19,509 | +6.3% |
| 1Q19 | 21,041 | +5.6% |
| 4Q18 | 20,119 | +6.4% |
| 3Q18 | 18,980 | +0.5% |
| 2Q18 | 18,361 | +0.3% |
| 1Q18 | 19,921 | +0.4% |
| 4Q17 | 18,916 | +1.3% |
| 3Q17 | 18,885 | +0.3% |
| 2Q17 | 18,308 | +0.4% |
| 1Q17 | 19,838 | +4.9% |
| 4Q16 | 18,678 | - |
| 3Q16 | 18,820 | - |
| 2Q16 | 18,226 | - |
| 1Q16 | 18,918 | - |