| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q25 | 989 | -0.8% |
| 2Q25 | 971 | +1.7% |
| 1Q25 | 919 | +7.2% |
| 4Q24 | 1,056 | +1.9% |
| 3Q24 | 996 | -2.1% |
| 2Q24 | 955 | -3.2% |
| 1Q24 | 857 | -13.5% |
| 4Q23 | 1,037 | -4.2% |
| 3Q23 | 1,018 | +3.0% |
| 2Q23 | 987 | +1.7% |
| 1Q23 | 990 | +5.3% |
| 4Q22 | 1,082 | -1.2% |
| 3Q22 | 988 | -3.7% |
| 2Q22 | 971 | +3.5% |
| 1Q22 | 940 | +1.9% |
| 4Q21 | 1,095 | +5.1% |
| 3Q21 | 1,026 | +5.4% |
| 2Q21 | 937 | -2.7% |
| 1Q21 | 922 | -18.4% |
| 4Q20 | 1,042 | -29.3% |
| 3Q20 | 974 | -30.4% |
| 2Q20 | 964 | -30.5% |
| 1Q20 | 1,130 | -16.2% |
| 4Q19 | 1,474 | -9.4% |
| 3Q19 | 1,398 | -4.5% |
| 2Q19 | 1,387 | -3.7% |
| 1Q19 | 1,349 | +1.5% |
| 4Q18 | 1,627 | +3.1% |
| 3Q18 | 1,465 | +0.3% |
| 2Q18 | 1,440 | -4.6% |
| 1Q18 | 1,328 | -9.0% |
| 4Q17 | 1,578 | -6.8% |
| 3Q17 | 1,460 | -4.3% |
| 2Q17 | 1,509 | -0.7% |
| 1Q17 | 1,460 | -3.6% |
| 4Q16 | 1,694 | -7.1% |
| 3Q16 | 1,526 | -9.7% |
| 2Q16 | 1,519 | - |
| 1Q16 | 1,516 | - |
| 4Q15 | 1,823 | - |
| 3Q15 | 1,690 | - |