| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 36,098 | -9.0% |
| 1Q26 | 34,772 | -2.5% |
| 4Q25 | 38,684 | -1.2% |
| 3Q25 | 37,586 | -4.0% |
| 2Q25 | 39,685 | +3.6% |
| 1Q25 | 35,646 | -0.6% |
| 4Q24 | 39,153 | +0.2% |
| 3Q24 | 39,164 | +2.5% |
| 2Q24 | 38,305 | +8.5% |
| 1Q24 | 35,874 | +12.8% |
| 4Q23 | 39,083 | +14.1% |
| 3Q23 | 38,204 | +23.3% |
| 2Q23 | 35,293 | +13.4% |
| 1Q23 | 31,792 | +4.1% |
| 4Q22 | 34,253 | +0.6% |
| 3Q22 | 30,996 | -4.9% |
| 2Q22 | 31,115 | +14.4% |
| 1Q22 | 30,540 | +25.9% |
| 4Q21 | 34,049 | -3.3% |
| 3Q21 | 32,588 | -2.2% |
| 2Q21 | 27,205 | -22.8% |
| 1Q21 | 24,266 | -29.1% |
| 4Q20 | 35,199 | -5.9% |
| 3Q20 | 33,317 | -10.3% |
| 2Q20 | 35,224 | -4.1% |
| 1Q20 | 34,235 | -2.5% |
| 4Q19 | 37,405 | -0.8% |
| 3Q19 | 37,145 | +6.1% |
| 2Q19 | 36,738 | +7.6% |
| 1Q19 | 35,127 | +6.2% |
| 4Q18 | 37,689 | +10.5% |
| 3Q18 | 35,005 | +9.9% |
| 2Q18 | 34,148 | +8.2% |
| 1Q18 | 33,071 | +8.3% |
| 4Q17 | 34,123 | +2.1% |
| 3Q17 | 31,842 | +0.8% |
| 2Q17 | 31,566 | - |
| 1Q17 | 30,549 | - |
| 4Q16 | 33,426 | - |
| 3Q16 | 31,580 | - |