| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 14,949 | +6.1% |
| 3Q25 | 13,836 | +9.6% |
| 2Q25 | 13,611 | +9.2% |
| 1Q25 | 13,283 | -1.0% |
| 4Q24 | 14,091 | +15.3% |
| 3Q24 | 12,625 | +1.1% |
| 2Q24 | 12,466 | +1.7% |
| 1Q24 | 13,421 | +6.3% |
| 4Q23 | 12,225 | -15.2% |
| 3Q23 | 12,484 | -15.2% |
| 2Q23 | 12,257 | -9.6% |
| 1Q23 | 12,623 | -4.0% |
| 4Q22 | 14,414 | +5.1% |
| 3Q22 | 14,730 | +15.1% |
| 2Q22 | 13,559 | +3.9% |
| 1Q22 | 13,155 | -1.9% |
| 4Q21 | 13,715 | -7.6% |
| 3Q21 | 12,794 | -5.4% |
| 2Q21 | 13,053 | -6.2% |
| 1Q21 | 13,412 | +4.7% |
| 4Q20 | 14,841 | +16.1% |
| 3Q20 | 13,520 | +6.7% |
| 2Q20 | 13,916 | +13.9% |
| 1Q20 | 12,810 | +5.0% |
| 4Q19 | 12,787 | +7.2% |
| 3Q19 | 12,675 | +20.8% |
| 2Q19 | 12,213 | +18.8% |
| 1Q19 | 12,203 | +15.2% |
| 4Q18 | 11,926 | +11.9% |
| 3Q18 | 10,493 | +10.0% |
| 2Q18 | 10,277 | +11.8% |
| 1Q18 | 10,593 | +4.5% |
| 4Q17 | 10,659 | +6.9% |
| 3Q17 | 9,535 | +3.8% |
| 2Q17 | 9,197 | - |
| 1Q17 | 10,133 | - |
| 4Q16 | 9,968 | - |
| 3Q16 | 9,185 | - |