| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 36,792 | -1.1% |
| 2Q26 | 35,766 | -3.7% |
| 1Q26 | 38,250 | +8.1% |
| 4Q25 | 37,813 | +5.4% |
| 3Q25 | 37,192 | +0.3% |
| 2Q25 | 37,136 | +1.9% |
| 1Q25 | 35,376 | +1.2% |
| 4Q24 | 35,879 | +7.4% |
| 3Q24 | 37,073 | +7.5% |
| 2Q24 | 36,429 | +15.7% |
| 1Q24 | 34,968 | +12.5% |
| 4Q23 | 33,401 | +11.6% |
| 3Q23 | 34,471 | +26.1% |
| 2Q23 | 31,489 | +20.1% |
| 1Q23 | 31,096 | +23.4% |
| 4Q22 | 29,918 | +15.7% |
| 3Q22 | 27,346 | +12.9% |
| 2Q22 | 26,217 | +31.4% |
| 1Q22 | 25,208 | +54.2% |
| 4Q21 | 25,862 | +1.7% |
| 3Q21 | 24,231 | -8.1% |
| 2Q21 | 19,958 | -29.2% |
| 1Q21 | 16,351 | -42.7% |
| 4Q20 | 25,435 | -17.0% |
| 3Q20 | 26,378 | -22.2% |
| 2Q20 | 28,202 | -17.3% |
| 1Q20 | 28,521 | -10.8% |
| 4Q19 | 30,627 | -8.7% |
| 3Q19 | 33,919 | +4.9% |
| 2Q19 | 34,089 | +7.1% |
| 1Q19 | 31,978 | +2.7% |
| 4Q18 | 33,529 | +8.1% |
| 3Q18 | 32,331 | +9.5% |
| 2Q18 | 31,822 | +9.7% |
| 1Q18 | 31,129 | +6.5% |
| 4Q17 | 31,029 | -3.4% |
| 3Q17 | 29,515 | -5.4% |
| 2Q17 | 29,012 | - |
| 1Q17 | 29,218 | - |
| 4Q16 | 32,117 | - |
| 3Q16 | 31,207 | - |