| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 23,316 | -12.4% |
| 1Q26 | 24,386 | -6.2% |
| 4Q25 | 26,174 | -6.7% |
| 3Q25 | 27,400 | -1.3% |
| 2Q25 | 26,620 | -8.4% |
| 1Q25 | 26,005 | -4.2% |
| 4Q24 | 28,051 | +5.1% |
| 3Q24 | 27,771 | +2.9% |
| 2Q24 | 29,074 | +11.4% |
| 1Q24 | 27,149 | +11.6% |
| 4Q23 | 26,686 | -3.0% |
| 3Q23 | 26,991 | +8.2% |
| 2Q23 | 26,103 | +4.4% |
| 1Q23 | 24,335 | -13.4% |
| 4Q22 | 27,513 | -17.7% |
| 3Q22 | 24,955 | -3.1% |
| 2Q22 | 25,012 | -13.5% |
| 1Q22 | 28,105 | +40.1% |
| 4Q21 | 33,434 | -1.1% |
| 3Q21 | 25,741 | -0.5% |
| 2Q21 | 28,905 | -10.6% |
| 1Q21 | 20,060 | -24.0% |
| 4Q20 | 33,808 | -1.7% |
| 3Q20 | 25,867 | -9.6% |
| 2Q20 | 32,341 | +6.3% |
| 1Q20 | 26,396 | -3.8% |
| 4Q19 | 34,406 | -5.4% |
| 3Q19 | 28,628 | +20.4% |
| 2Q19 | 30,424 | +1.0% |
| 1Q19 | 27,427 | +2.9% |
| 4Q18 | 36,376 | -6.8% |
| 3Q18 | 23,786 | -16.0% |
| 2Q18 | 30,124 | +24.5% |
| 1Q18 | 26,652 | +16.6% |
| 4Q17 | 39,010 | +15.6% |
| 3Q17 | 28,331 | +14.1% |
| 2Q17 | 24,202 | - |
| 1Q17 | 22,854 | - |
| 4Q16 | 33,736 | - |
| 3Q16 | 24,829 | - |