| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 47,700 | +11.0% |
| 3Q25 | 46,577 | +10.6% |
| 2Q25 | 45,829 | +14.0% |
| 1Q25 | 42,404 | +11.9% |
| 4Q24 | 42,971 | +18.6% |
| 3Q24 | 42,127 | +15.5% |
| 2Q24 | 40,191 | +21.4% |
| 1Q24 | 37,910 | +15.4% |
| 4Q23 | 36,243 | +12.1% |
| 3Q23 | 36,480 | +30.2% |
| 2Q23 | 33,108 | +22.4% |
| 1Q23 | 32,843 | +28.4% |
| 4Q22 | 32,323 | +37.5% |
| 3Q22 | 28,011 | +28.8% |
| 2Q22 | 27,050 | +38.4% |
| 1Q22 | 25,586 | +33.7% |
| 4Q21 | 23,508 | +16.6% |
| 3Q21 | 21,748 | +9.3% |
| 2Q21 | 19,550 | +2.0% |
| 1Q21 | 19,133 | +2.3% |
| 4Q20 | 20,166 | +12.5% |
| 3Q20 | 19,892 | +8.1% |
| 2Q20 | 19,175 | +4.7% |
| 1Q20 | 18,696 | +4.3% |
| 4Q19 | 17,933 | -1.6% |
| 3Q19 | 18,404 | +6.3% |
| 2Q19 | 18,320 | +10.5% |
| 1Q19 | 17,917 | +12.9% |
| 4Q18 | 18,227 | +26.0% |
| 3Q18 | 17,318 | +20.7% |
| 2Q18 | 16,578 | +21.5% |
| 1Q18 | 15,871 | +15.0% |
| 4Q17 | 14,463 | +7.4% |
| 3Q17 | 14,350 | +6.1% |
| 2Q17 | 13,648 | - |
| 1Q17 | 13,796 | - |
| 4Q16 | 13,467 | - |
| 3Q16 | 13,524 | - |