| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 22,076 | -9.7% |
| 3Q25 | 22,025 | -12.3% |
| 2Q25 | 23,315 | -1.3% |
| 1Q25 | 22,816 | +7.0% |
| 4Q24 | 24,454 | +3.8% |
| 3Q24 | 25,104 | +11.9% |
| 2Q24 | 23,624 | 0.0% |
| 1Q24 | 21,322 | -9.9% |
| 4Q23 | 23,551 | -7.6% |
| 3Q23 | 22,439 | -8.2% |
| 2Q23 | 23,613 | +28.5% |
| 1Q23 | 23,676 | +7.1% |
| 4Q22 | 25,501 | +5.2% |
| 3Q22 | 24,445 | +11.0% |
| 2Q22 | 18,372 | -11.9% |
| 1Q22 | 22,116 | +24.6% |
| 4Q21 | 24,233 | +39.3% |
| 3Q21 | 22,031 | +56.5% |
| 2Q21 | 20,858 | +54.7% |
| 1Q21 | 17,754 | +9.3% |
| 4Q20 | 17,391 | -4.8% |
| 3Q20 | 14,074 | -19.0% |
| 2Q20 | 13,484 | -30.3% |
| 1Q20 | 16,238 | -11.9% |
| 4Q19 | 18,261 | -20.4% |
| 3Q19 | 17,381 | -18.0% |
| 2Q19 | 19,334 | +7.7% |
| 1Q19 | 18,433 | +7.7% |
| 4Q18 | 22,951 | +18.1% |
| 3Q18 | 21,195 | +17.6% |
| 2Q18 | 17,951 | +0.9% |
| 1Q18 | 17,113 | +2.3% |
| 4Q17 | 19,434 | +17.1% |
| 3Q17 | 18,030 | - |
| 2Q17 | 17,797 | - |
| 1Q17 | 16,736 | - |
| 4Q16 | 16,594 | - |