| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 9,359 | +0.1% |
| 3Q25 | 9,959 | +1.8% |
| 2Q25 | 9,548 | -2.0% |
| 1Q25 | 9,398 | -3.8% |
| 4Q24 | 9,351 | -1.3% |
| 3Q24 | 9,787 | -2.3% |
| 2Q24 | 9,747 | -0.9% |
| 1Q24 | 9,767 | +0.9% |
| 4Q23 | 9,470 | +4.7% |
| 3Q23 | 10,013 | +2.2% |
| 2Q23 | 9,838 | +0.3% |
| 1Q23 | 9,678 | -2.9% |
| 4Q22 | 9,049 | -0.6% |
| 3Q22 | 9,802 | +5.3% |
| 2Q22 | 9,804 | +25.1% |
| 1Q22 | 9,962 | +15.1% |
| 4Q21 | 9,108 | -8.2% |
| 3Q21 | 9,313 | -9.9% |
| 2Q21 | 7,836 | -24.1% |
| 1Q21 | 8,654 | -18.7% |
| 4Q20 | 9,926 | -9.4% |
| 3Q20 | 10,332 | -11.0% |
| 2Q20 | 10,327 | -5.4% |
| 1Q20 | 10,650 | -3.6% |
| 4Q19 | 10,953 | +5.8% |
| 3Q19 | 11,609 | +5.7% |
| 2Q19 | 10,917 | +7.6% |
| 1Q19 | 11,051 | +9.3% |
| 4Q18 | 10,351 | +5.2% |
| 3Q18 | 10,988 | +9.3% |
| 2Q18 | 10,146 | +8.0% |
| 1Q18 | 10,110 | +6.0% |
| 4Q17 | 9,843 | +2.3% |
| 3Q17 | 10,056 | +2.7% |
| 2Q17 | 9,397 | - |
| 1Q17 | 9,542 | - |
| 4Q16 | 9,624 | - |
| 3Q16 | 9,795 | - |