| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 35,637 | +0.9% |
| 3Q25 | 33,309 | +11.4% |
| 2Q25 | 31,487 | +9.9% |
| 1Q25 | 32,395 | +10.3% |
| 4Q24 | 35,315 | +8.2% |
| 3Q24 | 29,893 | +8.9% |
| 2Q24 | 28,651 | +14.2% |
| 1Q24 | 29,383 | +18.9% |
| 4Q23 | 32,649 | +28.0% |
| 3Q23 | 27,441 | +18.2% |
| 2Q23 | 25,094 | +15.0% |
| 1Q23 | 24,703 | +23.5% |
| 4Q22 | 25,511 | +2.6% |
| 3Q22 | 23,225 | +8.1% |
| 2Q22 | 21,828 | +0.1% |
| 1Q22 | 20,005 | +28.4% |
| 4Q21 | 24,861 | -12.8% |
| 3Q21 | 21,490 | -5.6% |
| 2Q21 | 21,809 | -10.3% |
| 1Q21 | 15,584 | -33.4% |
| 4Q20 | 28,518 | -5.1% |
| 3Q20 | 22,755 | -6.1% |
| 2Q20 | 24,312 | -8.2% |
| 1Q20 | 23,408 | +7.0% |
| 4Q19 | 30,047 | -2.8% |
| 3Q19 | 24,240 | +3.6% |
| 2Q19 | 26,486 | +3.0% |
| 1Q19 | 21,870 | -0.5% |
| 4Q18 | 30,899 | +12.1% |
| 3Q18 | 23,400 | +15.3% |
| 2Q18 | 25,717 | +15.0% |
| 1Q18 | 21,976 | +16.7% |
| 4Q17 | 27,552 | +5.9% |
| 3Q17 | 20,288 | +5.3% |
| 2Q17 | 22,356 | - |
| 1Q17 | 18,824 | - |
| 4Q16 | 26,021 | - |
| 3Q16 | 19,271 | - |