| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 29,559 | +5.2% |
| 3Q25 | 29,052 | +14.1% |
| 2Q25 | 39,118 | +17.5% |
| 1Q25 | 32,374 | +4.7% |
| 4Q24 | 28,096 | +6.3% |
| 3Q24 | 25,464 | -9.1% |
| 2Q24 | 33,291 | +0.8% |
| 1Q24 | 30,925 | -3.7% |
| 4Q23 | 26,423 | -7.6% |
| 3Q23 | 28,002 | +5.3% |
| 2Q23 | 33,028 | -1.6% |
| 1Q23 | 32,103 | +14.7% |
| 4Q22 | 28,610 | +13.9% |
| 3Q22 | 26,583 | +4.9% |
| 2Q22 | 33,560 | +4.3% |
| 1Q22 | 27,985 | -2.5% |
| 4Q21 | 25,123 | -8.1% |
| 3Q21 | 25,342 | -8.5% |
| 2Q21 | 32,176 | +15.5% |
| 1Q21 | 28,710 | +25.2% |
| 4Q20 | 27,334 | +35.1% |
| 3Q20 | 27,693 | -8.1% |
| 2Q20 | 27,865 | -11.0% |
| 1Q20 | 22,936 | -3.3% |
| 4Q19 | 20,238 | -22.7% |
| 3Q19 | 30,138 | +19.8% |
| 2Q19 | 31,294 | -1.5% |
| 1Q19 | 23,722 | -11.8% |
| 4Q18 | 26,169 | -5.3% |
| 3Q18 | 25,158 | -10.5% |
| 2Q18 | 31,785 | +6.5% |
| 1Q18 | 26,897 | +1.2% |
| 4Q17 | 27,646 | +13.3% |
| 3Q17 | 28,108 | +7.6% |
| 2Q17 | 29,840 | -2.2% |
| 1Q17 | 26,581 | -2.3% |
| 4Q16 | 24,398 | - |
| 3Q16 | 26,130 | - |
| 2Q16 | 30,505 | - |
| 1Q16 | 27,211 | - |