| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 1,095 | +7.3% |
| 1Q26 | 969 | +8.6% |
| 4Q25 | 1,000 | -2.4% |
| 3Q25 | 1,184 | -3.6% |
| 2Q25 | 1,020 | +11.9% |
| 1Q25 | 892 | -0.3% |
| 4Q24 | 1,025 | +3.2% |
| 3Q24 | 1,227 | +14.3% |
| 2Q23 | 911 | -8.0% |
| 1Q24 | 895 | -3.3% |
| 4Q23 | 994 | +6.9% |
| 3Q23 | 1,074 | +41.6% |
| 2Q22 | 991 | +32.0% |
| 1Q23 | 925 | +16.2% |
| 4Q22 | 929 | +7.5% |
| 3Q22 | 758 | -14.6% |
| 1Q22 | 796 | -3.4% |
| 4Q21 | 864 | -9.6% |
| 3Q21 | 887 | -16.8% |
| 2Q21 | 751 | -26.9% |
| 1Q21 | 825 | -7.4% |
| 4Q20 | 956 | -3.3% |
| 3Q20 | 1,066 | -1.3% |
| 2Q20 | 1,028 | +8.8% |
| 1Q20 | 891 | -0.2% |
| 4Q19 | 989 | +6.0% |
| 3Q19 | 1,080 | +3.9% |
| 2Q19 | 945 | +13.6% |
| 1Q19 | 892 | +1.1% |
| 4Q18 | 932 | +2.6% |
| 3Q18 | 1,040 | +19.7% |
| 2Q18 | 832 | +20.0% |
| 1Q18 | 883 | +28.5% |
| 4Q17 | 909 | +4.0% |
| 3Q17 | 868 | -13.9% |
| 2Q17 | 693 | - |
| 1Q17 | 687 | - |
| 4Q16 | 873 | - |
| 3Q16 | 1,008 | - |