| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 7,335 | +4.6% |
| 3Q25 | 7,694 | +9.0% |
| 2Q25 | 7,960 | +7.9% |
| 1Q25 | 8,168 | +7.9% |
| 4Q24 | 7,013 | -4.6% |
| 3Q24 | 7,056 | -8.5% |
| 2Q24 | 7,377 | -9.5% |
| 1Q24 | 7,570 | -11.4% |
| 4Q23 | 7,350 | -14.0% |
| 3Q23 | 7,711 | -2.5% |
| 2Q23 | 8,150 | -11.5% |
| 1Q23 | 8,540 | +4.1% |
| 4Q22 | 8,541 | +4.5% |
| 3Q22 | 7,908 | -3.5% |
| 2Q22 | 9,209 | +4.4% |
| 1Q22 | 8,202 | +4.5% |
| 4Q21 | 8,177 | +8.5% |
| 3Q21 | 8,199 | +21.0% |
| 2Q21 | 8,820 | +22.9% |
| 1Q21 | 7,851 | +15.9% |
| 4Q20 | 7,539 | -1.0% |
| 3Q20 | 6,775 | +3.1% |
| 2Q20 | 7,175 | +3.6% |
| 1Q20 | 6,771 | -5.2% |
| 4Q19 | 7,615 | +10.9% |
| 3Q19 | 6,571 | -2.1% |
| 2Q19 | 6,929 | -14.1% |
| 1Q19 | 7,141 | -1.1% |
| 4Q18 | 6,868 | -1.1% |
| 3Q18 | 6,712 | -3.3% |
| 2Q18 | 8,067 | +10.5% |
| 1Q18 | 7,217 | +3.3% |
| 4Q17 | 6,948 | +3.0% |
| 3Q17 | 6,943 | +6.2% |
| 2Q17 | 7,302 | +1.2% |
| 1Q17 | 6,985 | +1.0% |
| 4Q16 | 6,748 | - |
| 3Q16 | 6,536 | - |
| 2Q16 | 7,218 | - |
| 1Q16 | 6,917 | - |