| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 25,166 | +0.2% |
| 2Q26 | 23,627 | -4.2% |
| 1Q26 | 23,237 | -5.5% |
| 4Q25 | 26,362 | +0.2% |
| 3Q25 | 25,105 | +4.4% |
| 2Q25 | 24,651 | -4.6% |
| 1Q25 | 24,596 | +5.7% |
| 4Q24 | 26,314 | +6.3% |
| 3Q24 | 24,054 | +4.1% |
| 2Q24 | 25,831 | +11.0% |
| 1Q24 | 23,259 | +1.1% |
| 4Q23 | 24,748 | +3.0% |
| 3Q23 | 23,103 | +7.7% |
| 2Q23 | 23,268 | +12.3% |
| 1Q23 | 23,007 | +11.3% |
| 4Q22 | 24,035 | +11.2% |
| 3Q22 | 21,448 | +7.1% |
| 2Q22 | 20,711 | -1.5% |
| 1Q22 | 20,664 | +0.5% |
| 4Q21 | 21,616 | -8.4% |
| 3Q21 | 20,017 | -8.3% |
| 2Q21 | 21,028 | -9.7% |
| 1Q21 | 20,559 | -12.2% |
| 4Q20 | 23,592 | -10.6% |
| 3Q20 | 21,837 | -12.6% |
| 2Q20 | 23,298 | -4.3% |
| 1Q20 | 23,429 | -2.6% |
| 4Q19 | 26,392 | +4.7% |
| 3Q19 | 24,993 | +4.1% |
| 2Q19 | 24,339 | +0.6% |
| 1Q19 | 24,055 | +4.0% |
| 4Q18 | 25,197 | -1.8% |
| 3Q18 | 24,002 | +10.1% |
| 2Q18 | 24,195 | +3.6% |
| 1Q18 | 23,121 | -1.0% |
| 4Q17 | 25,666 | -16.6% |
| 3Q17 | 21,804 | -15.9% |
| 2Q17 | 23,363 | -21.9% |
| 1Q17 | 23,356 | -17.6% |
| 4Q16 | 30,767 | - |
| 3Q16 | 25,912 | - |
| 2Q16 | 29,906 | - |
| 1Q16 | 28,358 | - |