| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 29,590 | -5.8% |
| 1Q26 | 29,106 | -7.8% |
| 4Q25 | 32,877 | -0.4% |
| 3Q25 | 35,148 | +1.0% |
| 2Q25 | 31,419 | -12.2% |
| 1Q25 | 31,575 | -6.3% |
| 4Q24 | 32,994 | -10.7% |
| 3Q24 | 34,784 | -2.6% |
| 2Q24 | 35,787 | +0.6% |
| 1Q24 | 33,683 | +7.8% |
| 4Q23 | 36,953 | +15.4% |
| 3Q23 | 35,704 | +20.2% |
| 2Q23 | 35,589 | +32.0% |
| 1Q23 | 31,250 | +29.8% |
| 4Q22 | 32,015 | +17.2% |
| 3Q22 | 29,700 | +5.7% |
| 2Q22 | 26,955 | -7.8% |
| 1Q22 | 24,073 | -9.7% |
| 4Q21 | 27,316 | -11.4% |
| 3Q21 | 28,098 | -10.2% |
| 2Q21 | 29,224 | -1.1% |
| 1Q21 | 26,649 | +4.3% |
| 4Q20 | 30,832 | -0.4% |
| 3Q20 | 31,298 | -5.5% |
| 2Q20 | 29,535 | -2.6% |
| 1Q20 | 25,540 | -12.0% |
| 4Q19 | 30,949 | -4.5% |
| 3Q19 | 33,117 | +19.3% |
| 2Q19 | 30,312 | +22.3% |
| 1Q19 | 29,031 | +20.8% |
| 4Q18 | 32,423 | +24.4% |
| 3Q18 | 27,766 | +6.6% |
| 2Q18 | 24,794 | +0.9% |
| 1Q18 | 24,041 | +14.4% |
| 4Q17 | 26,070 | +14.1% |
| 3Q17 | 26,056 | +11.2% |
| 2Q17 | 24,574 | +8.5% |
| 1Q17 | 21,021 | -5.4% |
| 4Q16 | 22,856 | - |
| 3Q16 | 23,426 | - |
| 2Q16 | 22,644 | - |
| 1Q16 | 22,229 | - |