| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 909 | -8.7% |
| 2Q26 | 963 | +1.8% |
| 1Q26 | 991 | +5.6% |
| 4Q25 | 1,120 | +1.8% |
| 3Q25 | 996 | -0.9% |
| 2Q25 | 946 | -4.5% |
| 1Q25 | 938 | +2.6% |
| 4Q24 | 1,100 | +2.1% |
| 3Q24 | 1,005 | +7.6% |
| 2Q24 | 990 | +0.7% |
| 1Q24 | 915 | +0.9% |
| 4Q23 | 1,077 | +2.4% |
| 3Q23 | 934 | -8.6% |
| 2Q23 | 983 | -0.6% |
| 1Q23 | 906 | -12.3% |
| 4Q22 | 1,052 | -2.3% |
| 3Q22 | 1,022 | +21.1% |
| 2Q22 | 990 | +17.8% |
| 1Q22 | 1,034 | +36.6% |
| 4Q21 | 1,077 | +1.3% |
| 3Q21 | 844 | +12.3% |
| 2Q21 | 840 | -17.8% |
| 1Q21 | 757 | -10.4% |
| 4Q20 | 1,062 | -9.5% |
| 3Q20 | 751 | -8.6% |
| 2Q20 | 1,022 | +0.6% |
| 1Q20 | 845 | -7.0% |
| 4Q19 | 1,174 | +4.2% |
| 3Q19 | 822 | -7.3% |
| 2Q19 | 1,016 | -4.1% |
| 1Q19 | 909 | +4.6% |
| 4Q18 | 1,127 | +0.9% |
| 3Q18 | 887 | +10.0% |
| 2Q18 | 1,059 | +4.1% |
| 1Q18 | 869 | +12.6% |
| 4Q17 | 1,117 | -1.2% |
| 3Q17 | 806 | -13.8% |
| 2Q17 | 1,017 | -1.6% |
| 1Q17 | 771 | -4.5% |
| 4Q16 | 1,131 | - |
| 3Q16 | 935 | - |
| 2Q16 | 1,034 | - |
| 1Q16 | 807 | - |