| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 1,408 | +13.9% |
| 3Q25 | 1,126 | +7.5% |
| 2Q25 | 1,100 | +4.0% |
| 1Q25 | 1,061 | -6.7% |
| 4Q24 | 1,236 | +2.4% |
| 3Q24 | 1,048 | -2.9% |
| 2Q24 | 1,057 | -7.7% |
| 1Q24 | 1,138 | -1.7% |
| 4Q23 | 1,206 | -5.4% |
| 3Q23 | 1,079 | +4.1% |
| 2Q23 | 1,145 | +18.9% |
| 1Q23 | 1,158 | +8.3% |
| 4Q22 | 1,275 | -22.6% |
| 3Q22 | 1,036 | +7.3% |
| 2Q22 | 963 | -2.3% |
| 1Q22 | 1,069 | -11.4% |
| 4Q21 | 1,646 | +57.1% |
| 3Q21 | 966 | +3.4% |
| 2Q21 | 986 | -5.6% |
| 1Q21 | 1,206 | +6.8% |
| 4Q20 | 1,048 | +2.8% |
| 3Q20 | 934 | -11.3% |
| 2Q20 | 1,045 | +9.6% |
| 1Q20 | 1,129 | +5.1% |
| 4Q19 | 1,019 | -2.7% |
| 3Q19 | 1,054 | +24.8% |
| 2Q19 | 953 | -0.8% |
| 1Q19 | 1,074 | +13.1% |
| 4Q18 | 1,047 | +20.8% |
| 3Q18 | 844 | - |
| 2Q18 | 960 | +32.2% |
| 1Q18 | 950 | +9.0% |
| 4Q17 | 867 | +11.3% |
| 2Q17 | 726 | +1.0% |
| 1Q17 | 872 | +13.4% |
| 4Q16 | 779 | -4.1% |
| 3Q16 | 683 | - |
| 2Q16 | 720 | - |
| 1Q16 | 769 | - |
| 4Q15 | 812 | - |