| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q26 | 826 | -4.9% |
| 3Q26 | 830 | +10.0% |
| 4Q25 | 868 | +6.4% |
| 3Q25 | 754 | -5.3% |
| 2Q25 | 895 | +4.1% |
| 1Q25 | 774 | +0.6% |
| 4Q24 | 816 | -6.1% |
| 3Q24 | 797 | -11.1% |
| 2Q24 | 859 | -12.5% |
| 1Q24 | 770 | -19.4% |
| 4Q23 | 869 | -24.0% |
| 3Q23 | 897 | -17.8% |
| 2Q23 | 982 | -22.3% |
| 1Q23 | 955 | -24.9% |
| 4Q22 | 1,145 | -13.7% |
| 3Q22 | 1,091 | -14.6% |
| 2Q22 | 1,264 | -4.7% |
| 1Q22 | 1,272 | +8.2% |
| 4Q21 | 1,327 | +11.5% |
| 3Q21 | 1,278 | +30.7% |
| 2Q21 | 1,326 | +42.1% |
| 1Q21 | 1,176 | +96.1% |
| 4Q20 | 1,190 | +113.0% |
| 3Q20 | 978 | +73.6% |
| 2Q20 | 933 | +29.6% |
| 1Q20 | 600 | +14.7% |
| 4Q19 | 558 | +3.9% |
| 3Q19 | 563 | +8.0% |
| 2Q19 | 720 | +14.7% |
| 1Q19 | 523 | +14.9% |
| 4Q18 | 537 | -20.8% |
| 3Q18 | 521 | -8.0% |
| 2Q18 | 628 | +0.3% |
| 1Q18 | 455 | -10.1% |
| 4Q17 | 678 | +22.8% |
| 3Q17 | 566 | +5.1% |
| 2Q17 | 626 | - |
| 1Q17 | 506 | - |
| 4Q16 | 552 | - |
| 3Q16 | 539 | - |