| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 1,248 | -7.5% |
| 3Q25 | 953 | -19.5% |
| 2Q25 | 1,553 | -11.5% |
| 1Q25 | 1,080 | -21.0% |
| 4Q24 | 1,349 | -3.6% |
| 3Q24 | 1,184 | -12.2% |
| 2Q24 | 1,755 | +6.3% |
| 1Q24 | 1,367 | +2.7% |
| 4Q23 | 1,400 | -19.7% |
| 3Q23 | 1,349 | +25.8% |
| 2Q23 | 1,651 | +3.1% |
| 1Q23 | 1,331 | +18.4% |
| 4Q22 | 1,743 | +3.8% |
| 3Q22 | 1,072 | -17.3% |
| 2Q22 | 1,602 | -20.4% |
| 1Q22 | 1,124 | -34.0% |
| 4Q21 | 1,679 | -3.9% |
| 3Q21 | 1,296 | -15.0% |
| 2Q21 | 2,012 | +22.8% |
| 1Q21 | 1,703 | +7.3% |
| 4Q20 | 1,748 | -11.1% |
| 3Q20 | 1,525 | +2.0% |
| 2Q20 | 1,638 | -25.6% |
| 1Q20 | 1,587 | -22.9% |
| 4Q19 | 1,966 | -23.6% |
| 3Q19 | 1,495 | -27.9% |
| 2Q19 | 2,201 | -12.7% |
| 1Q19 | 2,059 | +11.3% |
| 4Q18 | 2,573 | +34.0% |
| 3Q18 | 2,073 | +13.5% |
| 2Q18 | 2,521 | +5.4% |
| 1Q18 | 1,850 | -6.3% |
| 4Q17 | 1,919 | +1.0% |
| 3Q17 | 1,826 | -0.7% |
| 2Q17 | 2,393 | -0.9% |
| 1Q17 | 1,974 | +4.6% |
| 4Q16 | 1,901 | -13.9% |
| 3Q16 | 1,839 | - |
| 2Q16 | 2,415 | - |
| 1Q16 | 1,886 | - |
| 4Q15 | 2,209 | - |