| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 14,556 | +10.1% |
| 3Q25 | 14,425 | +11.2% |
| 2Q25 | 12,956 | -5.5% |
| 1Q25 | 13,606 | -1.4% |
| 4Q24 | 13,217 | -8.2% |
| 3Q24 | 12,968 | -1.8% |
| 2Q24 | 13,712 | +6.4% |
| 1Q24 | 13,798 | +6.3% |
| 4Q23 | 14,405 | +12.6% |
| 3Q23 | 13,207 | -1.1% |
| 2Q23 | 12,883 | +12.5% |
| 1Q23 | 12,981 | +12.3% |
| 4Q22 | 12,788 | +10.6% |
| 3Q22 | 13,354 | +29.0% |
| 2Q22 | 11,447 | +2.7% |
| 1Q22 | 11,560 | -1.9% |
| 4Q21 | 11,565 | -5.4% |
| 3Q21 | 10,348 | -3.0% |
| 2Q21 | 11,149 | +58.2% |
| 1Q21 | 11,785 | +8.2% |
| 4Q20 | 12,228 | +1.6% |
| 3Q20 | 10,667 | -9.5% |
| 2Q20 | 7,049 | -39.8% |
| 1Q20 | 10,893 | -8.3% |
| 4Q19 | 12,035 | -1.8% |
| 3Q19 | 11,793 | +2.9% |
| 2Q19 | 11,716 | +0.4% |
| 1Q19 | 11,881 | +0.1% |
| 4Q18 | 12,260 | +2.3% |
| 3Q18 | 11,459 | +5.9% |
| 2Q18 | 11,670 | +11.2% |
| 1Q18 | 11,872 | +6.7% |
| 4Q17 | 11,987 | +9.8% |
| 3Q17 | 10,824 | +19.3% |
| 2Q17 | 10,493 | +15.4% |
| 1Q17 | 11,126 | +15.6% |
| 4Q16 | 10,916 | +7.8% |
| 3Q16 | 9,072 | - |
| 2Q16 | 9,091 | - |
| 1Q16 | 9,622 | - |
| 4Q15 | 10,124 | - |