| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 43,694 | -3.2% |
| 3Q25 | 36,785 | +1.3% |
| 2Q25 | 33,374 | +7.9% |
| 1Q25 | 35,578 | -2.2% |
| 4Q24 | 45,123 | -1.2% |
| 3Q24 | 36,320 | -4.3% |
| 2Q24 | 30,940 | -1.4% |
| 1Q24 | 36,382 | +12.8% |
| 4Q23 | 45,687 | +5.8% |
| 3Q23 | 37,944 | +12.4% |
| 2Q23 | 31,394 | +7.4% |
| 1Q23 | 32,256 | -2.3% |
| 4Q22 | 43,184 | -5.7% |
| 3Q22 | 33,745 | -13.8% |
| 2Q22 | 29,236 | -17.7% |
| 1Q22 | 33,021 | -18.8% |
| 4Q21 | 45,775 | -9.7% |
| 3Q21 | 39,154 | -4.0% |
| 2Q21 | 35,515 | +3.8% |
| 1Q21 | 40,658 | -0.9% |
| 4Q20 | 50,686 | -3.4% |
| 3Q20 | 40,769 | -4.2% |
| 2Q20 | 34,225 | -0.1% |
| 1Q20 | 41,012 | +18.0% |
| 4Q19 | 52,443 | +3.0% |
| 3Q19 | 42,544 | +12.9% |
| 2Q19 | 34,275 | +2.8% |
| 1Q19 | 34,756 | +1.6% |
| 4Q18 | 50,917 | +10.9% |
| 3Q18 | 37,671 | +14.3% |
| 2Q18 | 33,356 | -0.3% |
| 1Q18 | 34,221 | -8.5% |
| 4Q17 | 45,929 | +4.7% |
| 3Q17 | 32,963 | -12.9% |
| 2Q17 | 33,441 | +1.2% |
| 1Q17 | 37,417 | -2.0% |
| 4Q16 | 43,877 | +5.7% |
| 3Q16 | 37,828 | +14.1% |
| 2Q16 | 33,056 | - |
| 1Q16 | 38,169 | - |
| 4Q15 | 41,495 | - |
| 3Q15 | 33,143 | - |