| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q25 | 22,508 | +2.6% |
| 4Q24 | 24,204 | +3.9% |
| 3Q24 | 22,041 | -1.0% |
| 2Q24 | 23,869 | +10.5% |
| 1Q24 | 21,928 | +9.1% |
| 4Q23 | 23,295 | +5.7% |
| 3Q23 | 22,258 | +6.5% |
| 2Q23 | 21,608 | +1.5% |
| 1Q23 | 20,093 | +4.5% |
| 4Q22 | 22,044 | +9.6% |
| 3Q22 | 20,908 | +10.9% |
| 2Q22 | 21,279 | +6.4% |
| 1Q22 | 19,228 | +6.8% |
| 4Q21 | 20,107 | +18.0% |
| 3Q21 | 18,849 | +22.9% |
| 2Q21 | 20,002 | +21.6% |
| 1Q21 | 18,011 | +6.6% |
| 4Q20 | 17,045 | -7.9% |
| 3Q20 | 15,337 | -13.8% |
| 2Q20 | 16,444 | -13.3% |
| 1Q20 | 16,889 | -6.3% |
| 4Q19 | 18,505 | -6.1% |
| 3Q19 | 17,796 | -4.5% |
| 2Q19 | 18,963 | -0.8% |
| 1Q19 | 18,017 | +3.7% |
| 4Q18 | 19,705 | +6.6% |
| 3Q18 | 18,633 | +10.4% |
| 2Q18 | 19,124 | +5.6% |
| 1Q18 | 17,371 | +7.0% |
| 4Q17 | 18,492 | +17.9% |
| 3Q17 | 16,883 | +22.1% |
| 2Q17 | 18,103 | +16.7% |
| 1Q17 | 16,233 | +14.7% |
| 4Q16 | 15,683 | -0.1% |
| 3Q16 | 13,830 | - |
| 2Q16 | 15,513 | - |
| 1Q16 | 14,153 | - |
| 4Q15 | 15,701 | - |