| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 37,440 | -0.9% |
| 2Q26 | 34,783 | +0.8% |
| 1Q26 | 35,148 | +3.3% |
| 4Q25 | 43,410 | +6.6% |
| 3Q25 | 37,797 | +4.6% |
| 2Q25 | 34,494 | +10.9% |
| 1Q25 | 34,041 | +1.3% |
| 4Q24 | 40,713 | -1.7% |
| 3Q24 | 36,133 | -4.5% |
| 2Q24 | 31,095 | -7.5% |
| 1Q24 | 33,620 | +7.5% |
| 4Q23 | 41,409 | +14.5% |
| 3Q23 | 37,846 | +18.3% |
| 2Q23 | 33,607 | +17.3% |
| 1Q23 | 31,267 | +9.0% |
| 4Q22 | 36,158 | +7.3% |
| 3Q22 | 32,000 | +12.1% |
| 2Q22 | 28,644 | +9.6% |
| 1Q22 | 28,677 | +12.6% |
| 4Q21 | 33,709 | +4.0% |
| 3Q21 | 28,543 | +0.5% |
| 2Q21 | 26,143 | -9.1% |
| 1Q21 | 25,461 | -6.0% |
| 4Q20 | 32,408 | +1.8% |
| 3Q20 | 28,404 | -4.9% |
| 2Q20 | 28,753 | +5.8% |
| 1Q20 | 27,097 | +1.9% |
| 4Q19 | 31,825 | +0.8% |
| 3Q19 | 29,857 | +3.9% |
| 2Q19 | 27,172 | +6.4% |
| 1Q19 | 26,587 | +6.8% |
| 4Q18 | 31,558 | +3.4% |
| 3Q18 | 28,739 | +8.5% |
| 2Q18 | 25,539 | +4.8% |
| 1Q18 | 24,897 | +2.8% |
| 4Q17 | 30,535 | -1.8% |
| 3Q17 | 26,478 | -3.7% |
| 2Q17 | 24,358 | - |
| 1Q17 | 24,219 | - |
| 4Q16 | 31,080 | - |
| 3Q16 | 27,482 | - |