| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 58,536 | -2.4% |
| 3Q25 | 45,956 | +15.1% |
| 2Q25 | 44,140 | +6.1% |
| 1Q25 | 38,090 | -2.4% |
| 4Q24 | 59,945 | +21.6% |
| 3Q24 | 39,915 | +2.6% |
| 2Q24 | 41,616 | +8.3% |
| 1Q24 | 39,038 | +6.8% |
| 4Q23 | 49,299 | +4.1% |
| 3Q23 | 38,904 | -2.9% |
| 2Q23 | 38,411 | +11.3% |
| 1Q23 | 36,560 | +15.9% |
| 4Q22 | 47,346 | +13.2% |
| 3Q22 | 40,062 | +30.3% |
| 2Q22 | 34,517 | +14.4% |
| 1Q22 | 31,534 | +11.3% |
| 4Q21 | 41,839 | +23.7% |
| 3Q21 | 30,736 | +14.2% |
| 2Q21 | 30,184 | +27.4% |
| 1Q21 | 28,332 | +8.1% |
| 4Q20 | 33,832 | -10.8% |
| 3Q20 | 26,910 | +1.1% |
| 2Q20 | 23,699 | -12.4% |
| 1Q20 | 26,207 | +0.8% |
| 4Q19 | 37,933 | +0.9% |
| 3Q19 | 26,614 | +0.7% |
| 2Q19 | 27,069 | -1.3% |
| 1Q19 | 26,008 | -10.9% |
| 4Q18 | 37,584 | +6.7% |
| 3Q18 | 26,442 | +1.0% |
| 2Q18 | 27,428 | +12.5% |
| 1Q18 | 29,176 | +10.8% |
| 4Q17 | 35,212 | +10.0% |
| 3Q17 | 26,180 | +19.5% |
| 2Q17 | 24,382 | +4.8% |
| 1Q17 | 26,333 | +13.8% |
| 4Q16 | 32,010 | -3.2% |
| 3Q16 | 21,915 | - |
| 2Q16 | 23,266 | - |
| 1Q16 | 23,148 | - |
| 4Q15 | 33,070 | - |