| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 19,589 | +14.0% |
| 3Q25 | 19,047 | +14.3% |
| 2Q25 | 18,500 | +9.3% |
| 1Q25 | 16,696 | +7.1% |
| 4Q24 | 17,190 | +9.5% |
| 3Q24 | 16,659 | +9.1% |
| 2Q24 | 16,925 | +28.0% |
| 1Q24 | 15,587 | +12.1% |
| 4Q23 | 15,692 | +13.3% |
| 3Q23 | 15,271 | +66.8% |
| 2Q23 | 13,222 | +4.0% |
| 1Q23 | 13,901 | +12.9% |
| 4Q22 | 13,845 | -57.0% |
| 3Q22 | 9,158 | - |
| 2Q22 | 12,711 | -32.4% |
| 1Q22 | 12,308 | -19.7% |
| 4Q21 | 32,183 | +60.3% |
| 3Q21 | 0 | -100.0% |
| 2Q21 | 18,795 | -1.8% |
| 1Q21 | 15,319 | -16.8% |
| 4Q20 | 20,074 | +5.1% |
| 3Q20 | 18,637 | +4.8% |
| 2Q20 | 19,130 | +5.7% |
| 1Q20 | 18,411 | +3.3% |
| 4Q19 | 19,099 | +3.6% |
| 3Q19 | 17,783 | +3.5% |
| 2Q19 | 18,105 | +5.7% |
| 1Q19 | 17,817 | +5.8% |
| 4Q18 | 18,440 | +4.3% |
| 3Q18 | 17,175 | +3.4% |
| 2Q18 | 17,128 | +0.4% |
| 1Q18 | 16,847 | -1.2% |
| 4Q17 | 17,674 | -1.1% |
| 3Q17 | 16,608 | -5.5% |
| 2Q17 | 17,055 | - |
| 1Q17 | 17,049 | - |
| 4Q16 | 17,872 | - |
| 3Q16 | 17,576 | - |