| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 1,330 | +30.0% |
| 2Q26 | 1,065 | +17.3% |
| 1Q26 | 1,152 | +4.9% |
| 4Q25 | 1,108 | +8.9% |
| 3Q25 | 1,023 | -1.7% |
| 2Q25 | 908 | +5.9% |
| 1Q25 | 1,098 | +18.0% |
| 4Q24 | 1,017 | +20.5% |
| 3Q24 | 1,041 | +3.4% |
| 2Q24 | 857 | -7.2% |
| 1Q24 | 931 | -3.6% |
| 4Q23 | 844 | +7.0% |
| 3Q23 | 1,007 | -5.0% |
| 2Q23 | 924 | +11.8% |
| 1Q23 | 965 | +0.5% |
| 4Q22 | 789 | -14.0% |
| 3Q22 | 1,059 | +14.0% |
| 2Q22 | 827 | -3.9% |
| 1Q22 | 961 | +3.2% |
| 4Q21 | 918 | -9.4% |
| 3Q21 | 929 | -2.2% |
| 2Q21 | 861 | -3.6% |
| 1Q21 | 931 | -11.1% |
| 4Q20 | 1,013 | +14.4% |
| 3Q20 | 950 | -2.6% |
| 2Q20 | 893 | -2.1% |
| 1Q20 | 1,048 | +1.4% |
| 4Q19 | 886 | -3.8% |
| 3Q19 | 976 | +3.8% |
| 2Q19 | 912 | +13.1% |
| 1Q19 | 1,033 | +15.0% |
| 4Q18 | 921 | - |
| 3Q18 | 940 | - |
| 2Q18 | 806 | - |
| 1Q18 | 898 | - |