| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 844 | +10.3% |
| 4Q25 | 849 | +14.1% |
| 3Q25 | 837 | +11.5% |
| 2Q25 | 796 | +6.1% |
| 1Q25 | 765 | +13.3% |
| 4Q24 | 744 | +10.0% |
| 3Q24 | 750 | +19.4% |
| 2Q24 | 750 | +20.2% |
| 1Q24 | 675 | +17.8% |
| 4Q23 | 676 | +22.9% |
| 3Q23 | 628 | +7.7% |
| 2Q23 | 624 | +8.3% |
| 1Q23 | 573 | +4.8% |
| 4Q22 | 550 | -56.7% |
| 3Q22 | 583 | -54.8% |
| 2Q22 | 576 | -55.3% |
| 1Q22 | 547 | -51.1% |
| 4Q21 | 1,270 | +32.5% |
| 3Q21 | 1,291 | +7.4% |
| 2Q21 | 1,289 | +11.4% |
| 1Q21 | 1,119 | -2.5% |
| 4Q20 | 959 | -15.6% |
| 3Q20 | 1,202 | +11.5% |
| 2Q20 | 1,158 | +11.5% |
| 1Q20 | 1,149 | +15.4% |
| 4Q19 | 1,137 | +18.1% |
| 3Q19 | 1,078 | +4.3% |
| 2Q19 | 1,038 | +0.5% |
| 1Q19 | 996 | +5.0% |
| 4Q18 | 962 | +2.6% |
| 3Q18 | 1,033 | +9.5% |
| 2Q18 | 1,033 | +13.6% |
| 1Q18 | 948 | +6.1% |
| 4Q17 | 937 | +9.3% |
| 3Q17 | 943 | +6.5% |
| 2Q17 | 909 | +4.4% |
| 1Q17 | 894 | +0.2% |
| 4Q16 | 858 | - |
| 3Q16 | 886 | - |
| 2Q16 | 871 | - |
| 1Q16 | 892 | - |