| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 1,050 | +6.3% |
| 2Q25 | 901 | +0.4% |
| 1Q25 | 988 | -4.2% |
| 4Q24 | 854 | +6.4% |
| 3Q24 | 900 | +7.5% |
| 2Q24 | 898 | +31.6% |
| 1Q24 | 1,031 | +15.1% |
| 4Q23 | 803 | +8.4% |
| 3Q23 | 837 | +3.1% |
| 2Q23 | 682 | -23.1% |
| 1Q23 | 896 | -9.7% |
| 4Q22 | 741 | +5.5% |
| 3Q22 | 812 | +4.9% |
| 2Q22 | 887 | +3.1% |
| 1Q22 | 993 | +3.8% |
| 4Q21 | 702 | -24.9% |
| 3Q21 | 774 | -11.6% |
| 2Q21 | 860 | -8.9% |
| 1Q21 | 956 | -9.6% |
| 4Q20 | 935 | -1.5% |
| 3Q20 | 876 | -19.3% |
| 2Q20 | 945 | -7.5% |
| 1Q20 | 1,058 | -10.8% |
| 4Q19 | 949 | -4.9% |
| 3Q19 | 1,085 | -2.9% |
| 2Q19 | 1,021 | -13.5% |
| 1Q19 | 1,187 | -5.7% |
| 4Q18 | 998 | -7.0% |
| 3Q18 | 1,117 | -9.6% |
| 2Q18 | 1,181 | +5.2% |
| 1Q18 | 1,259 | +4.9% |
| 4Q17 | 1,073 | -2.4% |
| 3Q17 | 1,236 | +4.9% |
| 2Q17 | 1,123 | +4.8% |
| 1Q17 | 1,200 | -3.2% |
| 4Q16 | 1,100 | - |
| 3Q16 | 1,178 | - |
| 2Q16 | 1,071 | - |
| 1Q16 | 1,240 | - |