| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 28,526 | +2.7% |
| 3Q25 | 25,300 | -2.1% |
| 2Q25 | 28,122 | +7.3% |
| 1Q25 | 28,192 | +3.7% |
| 4Q24 | 27,784 | +6.3% |
| 3Q24 | 25,845 | +5.1% |
| 2Q24 | 26,209 | +2.5% |
| 1Q24 | 27,196 | +5.3% |
| 4Q23 | 26,132 | -4.8% |
| 3Q23 | 24,588 | +0.7% |
| 2Q23 | 25,576 | +15.0% |
| 1Q23 | 25,828 | +29.1% |
| 4Q22 | 27,449 | +50.2% |
| 3Q22 | 24,420 | +28.9% |
| 2Q22 | 22,231 | +13.5% |
| 1Q22 | 20,005 | +14.5% |
| 4Q21 | 18,276 | +19.1% |
| 3Q21 | 18,940 | +42.2% |
| 2Q21 | 19,584 | +21.2% |
| 1Q21 | 17,479 | +2.4% |
| 4Q20 | 15,343 | -2.6% |
| 3Q20 | 13,318 | -22.3% |
| 2Q20 | 16,155 | -5.0% |
| 1Q20 | 17,065 | -7.6% |
| 4Q19 | 15,746 | -1.0% |
| 3Q19 | 17,130 | +4.6% |
| 2Q19 | 17,010 | -0.6% |
| 1Q19 | 18,461 | +18.0% |
| 4Q18 | 15,901 | +12.0% |
| 3Q18 | 16,372 | +19.7% |
| 2Q18 | 17,117 | +23.8% |
| 1Q18 | 15,649 | +13.7% |
| 4Q17 | 14,195 | +16.1% |
| 3Q17 | 13,682 | +18.6% |
| 2Q17 | 13,828 | +10.7% |
| 1Q17 | 13,769 | +1.0% |
| 4Q16 | 12,231 | - |
| 3Q16 | 11,534 | - |
| 2Q16 | 12,491 | - |
| 1Q16 | 13,634 | - |