| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 43,284 | -3.0% |
| 3Q25 | 36,554 | +4.0% |
| 2Q25 | 36,828 | -8.5% |
| 1Q25 | 33,963 | -4.0% |
| 4Q24 | 44,607 | +4.5% |
| 3Q24 | 35,162 | +4.5% |
| 2Q24 | 40,251 | +17.0% |
| 1Q24 | 35,360 | +14.4% |
| 4Q23 | 42,683 | +19.8% |
| 3Q23 | 33,659 | +1.0% |
| 2Q23 | 34,410 | +1.6% |
| 1Q23 | 30,913 | +7.9% |
| 4Q22 | 35,615 | -3.4% |
| 3Q22 | 33,340 | +18.5% |
| 2Q22 | 33,868 | +27.3% |
| 1Q22 | 28,642 | +14.7% |
| 4Q21 | 36,881 | +18.2% |
| 3Q21 | 28,144 | +13.2% |
| 2Q21 | 26,605 | +5.4% |
| 1Q21 | 24,982 | -0.6% |
| 4Q20 | 31,195 | +2.0% |
| 3Q20 | 24,858 | - |
| 2Q20 | 25,247 | - |
| 1Q20 | 25,137 | - |
| 4Q19 | 30,585 | - |
| 3Q17 | 22,701 | +17.3% |
| 2Q17 | 21,740 | +5.9% |
| 1Q17 | 19,532 | -2.5% |
| 4Q16 | 27,725 | - |
| 3Q16 | 19,361 | - |
| 2Q16 | 20,536 | - |
| 1Q16 | 20,043 | - |