| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 1,195 | -7.5% |
| 2Q26 | 1,071 | +9.8% |
| 1Q26 | 1,052 | +8.9% |
| 4Q25 | 1,038 | +19.7% |
| 3Q25 | 1,292 | - |
| 2Q25 | 975 | -3.2% |
| 1Q25 | 966 | -0.1% |
| 4Q24 | 867 | -9.5% |
| 2Q24 | 1,007 | - |
| 1Q24 | 966 | -2.0% |
| 4Q23 | 958 | +19.8% |
| 3Q23 | 1,118 | - |
| 1Q23 | 986 | +11.0% |
| 4Q22 | 800 | -22.7% |
| 2Q22 | 817 | -16.1% |
| 1Q22 | 888 | +1.8% |
| 4Q21 | 1,034 | +9.8% |
| 3Q21 | 1,099 | +21.7% |
| 2Q21 | 974 | -4.4% |
| 1Q21 | 873 | +4.1% |
| 4Q20 | 941 | -6.8% |
| 3Q20 | 903 | - |
| 2Q20 | 1,019 | - |
| 1Q20 | 839 | -6.2% |
| 4Q19 | 1,010 | +15.0% |
| 1Q19 | 894 | -7.7% |
| 4Q18 | 879 | -5.4% |
| 3Q18 | 1,049 | -11.8% |
| 2Q18 | 974 | -2.3% |
| 1Q18 | 968 | +2.4% |
| 4Q17 | 929 | -2.9% |
| 3Q17 | 1,190 | -3.4% |
| 2Q17 | 997 | - |
| 1Q17 | 945 | - |
| 4Q16 | 957 | - |
| 3Q16 | 1,232 | - |