| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 3,280 | -6.7% |
| 3Q25 | 2,350 | -10.6% |
| 2Q25 | 3,260 | -11.9% |
| 1Q25 | 2,461 | +2.4% |
| 4Q24 | 3,515 | +9.3% |
| 3Q24 | 2,630 | +17.3% |
| 2Q24 | 3,700 | +2.9% |
| 1Q24 | 2,403 | -5.3% |
| 4Q23 | 3,217 | -14.2% |
| 3Q23 | 2,241 | +3.9% |
| 2Q23 | 3,596 | +22.6% |
| 1Q23 | 2,538 | +14.3% |
| 4Q22 | 3,747 | +1.6% |
| 3Q22 | 2,157 | -2.8% |
| 2Q22 | 2,932 | +4.5% |
| 1Q22 | 2,221 | +7.0% |
| 4Q21 | 3,688 | +22.7% |
| 3Q21 | 2,220 | +5.6% |
| 2Q21 | 2,806 | -15.2% |
| 1Q21 | 2,075 | -21.8% |
| 4Q20 | 3,005 | -9.4% |
| 3Q20 | 2,101 | -18.3% |
| 2Q20 | 3,311 | -0.6% |
| 1Q20 | 2,655 | -9.2% |
| 4Q19 | 3,316 | +5.8% |
| 3Q19 | 2,573 | -12.0% |
| 2Q19 | 3,330 | +6.3% |
| 1Q19 | 2,925 | +7.6% |
| 4Q18 | 3,135 | -4.2% |
| 3Q18 | 2,924 | +15.8% |
| 2Q18 | 3,132 | -0.0% |
| 1Q18 | 2,719 | +7.2% |
| 4Q17 | 3,271 | -0.0% |
| 3Q17 | 2,526 | +24.1% |
| 2Q17 | 3,134 | -6.5% |
| 1Q17 | 2,537 | -0.3% |
| 4Q16 | 3,272 | - |
| 3Q16 | 2,034 | - |
| 2Q16 | 3,351 | - |
| 1Q16 | 2,544 | - |