| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 35,716 | -3.2% |
| 2Q26 | 34,109 | +4.1% |
| 1Q26 | 34,162 | +6.3% |
| 4Q25 | 36,209 | +4.2% |
| 3Q25 | 36,896 | +7.0% |
| 2Q25 | 32,750 | +5.5% |
| 1Q25 | 32,150 | +4.9% |
| 4Q24 | 34,741 | +3.7% |
| 3Q24 | 34,469 | +12.7% |
| 2Q24 | 31,034 | +5.8% |
| 1Q24 | 30,655 | +16.9% |
| 4Q23 | 33,510 | +9.3% |
| 3Q23 | 30,580 | +11.8% |
| 2Q23 | 29,326 | +13.0% |
| 1Q23 | 26,231 | +2.6% |
| 4Q22 | 30,654 | +18.7% |
| 3Q22 | 27,357 | +9.3% |
| 2Q22 | 25,942 | +12.2% |
| 1Q22 | 25,566 | +7.8% |
| 4Q21 | 25,817 | -8.0% |
| 3Q21 | 25,023 | -6.0% |
| 2Q21 | 23,129 | -16.8% |
| 1Q21 | 23,707 | -8.3% |
| 4Q20 | 28,054 | -3.4% |
| 3Q20 | 26,626 | -6.8% |
| 2Q20 | 27,803 | +7.6% |
| 1Q20 | 25,857 | -1.5% |
| 4Q19 | 29,043 | +0.6% |
| 3Q19 | 28,559 | +2.8% |
| 2Q19 | 25,842 | -0.5% |
| 1Q19 | 26,258 | +0.2% |
| 4Q18 | 28,856 | +9.7% |
| 3Q18 | 27,780 | +17.6% |
| 2Q18 | 25,973 | +14.1% |
| 1Q18 | 26,209 | +14.7% |
| 4Q17 | 26,298 | +4.9% |
| 3Q17 | 23,631 | -1.3% |
| 2Q17 | 22,764 | - |
| 1Q17 | 22,842 | - |
| 4Q16 | 25,072 | - |
| 3Q16 | 23,947 | - |