| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 1,713 | +9.8% |
| 3Q25 | 1,763 | +8.0% |
| 2Q25 | 1,729 | +10.2% |
| 1Q25 | 1,690 | +12.7% |
| 4Q24 | 1,560 | +9.1% |
| 3Q24 | 1,633 | +20.2% |
| 2Q24 | 1,568 | -2.6% |
| 1Q24 | 1,500 | -3.5% |
| 4Q23 | 1,430 | -11.5% |
| 3Q23 | 1,358 | -9.4% |
| 2Q23 | 1,611 | +14.6% |
| 1Q23 | 1,554 | +11.6% |
| 4Q22 | 1,616 | +14.1% |
| 3Q22 | 1,498 | +6.7% |
| 2Q22 | 1,405 | +0.1% |
| 1Q22 | 1,392 | +7.7% |
| 4Q21 | 1,416 | +20.6% |
| 3Q21 | 1,405 | +34.2% |
| 2Q21 | 1,404 | +31.5% |
| 1Q21 | 1,292 | +8.8% |
| 4Q20 | 1,174 | -1.1% |
| 3Q20 | 1,046 | -17.1% |
| 2Q20 | 1,067 | -9.6% |
| 1Q20 | 1,187 | +1.5% |
| 4Q19 | 1,187 | -0.6% |
| 3Q19 | 1,262 | -1.2% |
| 2Q19 | 1,181 | -2.4% |
| 1Q19 | 1,170 | +7.9% |
| 4Q18 | 1,195 | +1.5% |
| 3Q18 | 1,277 | +5.9% |
| 2Q18 | 1,210 | +8.3% |
| 1Q18 | 1,083 | +4.2% |
| 4Q17 | 1,177 | +4.5% |
| 3Q17 | 1,205 | +6.7% |
| 2Q17 | 1,117 | +12.0% |
| 1Q17 | 1,040 | +7.9% |
| 4Q16 | 1,126 | +0.8% |
| 3Q16 | 1,130 | - |
| 2Q16 | 998 | - |
| 1Q16 | 964 | - |
| 4Q15 | 1,118 | - |