| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 17,917 | +1.5% |
| 3Q25 | 16,710 | +1.8% |
| 2Q25 | 17,202 | +6.2% |
| 1Q25 | 17,290 | +9.7% |
| 4Q24 | 17,655 | +7.9% |
| 3Q24 | 16,407 | +5.8% |
| 2Q24 | 16,194 | +3.8% |
| 1Q24 | 15,763 | -4.5% |
| 4Q23 | 16,360 | -1.4% |
| 3Q23 | 15,513 | -2.6% |
| 2Q23 | 15,602 | -3.8% |
| 1Q23 | 16,499 | +8.4% |
| 4Q22 | 16,595 | -18.4% |
| 3Q22 | 15,920 | -17.1% |
| 2Q22 | 16,215 | -9.4% |
| 1Q22 | 15,214 | -7.7% |
| 4Q21 | 20,335 | +11.0% |
| 3Q21 | 19,205 | +8.4% |
| 2Q21 | 17,897 | +15.4% |
| 1Q21 | 16,475 | +1.8% |
| 4Q20 | 18,326 | +1.6% |
| 3Q20 | 17,715 | -4.8% |
| 2Q20 | 15,504 | -12.2% |
| 1Q20 | 16,176 | -8.9% |
| 4Q19 | 18,031 | -6.7% |
| 3Q19 | 18,612 | +2.1% |
| 2Q19 | 17,662 | -0.8% |
| 1Q19 | 17,766 | +3.4% |
| 4Q18 | 19,327 | -6.3% |
| 3Q18 | 18,223 | -5.3% |
| 2Q18 | 17,812 | -4.2% |
| 1Q18 | 17,182 | +0.5% |
| 4Q17 | 20,637 | +14.8% |
| 3Q17 | 19,242 | +5.6% |
| 2Q17 | 18,591 | +0.6% |
| 1Q17 | 17,095 | -2.1% |
| 4Q16 | 17,978 | -7.4% |
| 3Q16 | 18,213 | -3.6% |
| 2Q16 | 18,474 | - |
| 1Q16 | 17,464 | - |
| 4Q15 | 19,409 | - |
| 3Q15 | 18,896 | - |