| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 20,241 | +4.3% |
| 3Q25 | 17,374 | +1.3% |
| 2Q25 | 18,375 | +3.2% |
| 1Q25 | 16,178 | +2.5% |
| 4Q24 | 19,399 | +2.1% |
| 3Q24 | 17,151 | +4.5% |
| 2Q24 | 17,812 | -1.2% |
| 1Q24 | 15,777 | -10.0% |
| 4Q23 | 18,998 | -5.6% |
| 3Q23 | 16,415 | -8.2% |
| 2Q23 | 18,023 | -1.4% |
| 1Q23 | 17,528 | +15.6% |
| 4Q22 | 20,125 | +8.8% |
| 3Q22 | 17,878 | +12.1% |
| 2Q22 | 18,282 | +8.4% |
| 1Q22 | 15,164 | +3.4% |
| 4Q21 | 18,491 | +7.8% |
| 3Q21 | 15,949 | +3.8% |
| 2Q21 | 16,860 | -0.9% |
| 1Q21 | 14,667 | +3.6% |
| 4Q20 | 17,154 | +2.7% |
| 3Q20 | 15,368 | -1.0% |
| 2Q20 | 17,009 | +7.8% |
| 1Q20 | 14,158 | +5.9% |
| 4Q19 | 16,701 | -2.1% |
| 3Q19 | 15,526 | +7.1% |
| 2Q19 | 15,774 | -5.5% |
| 1Q19 | 13,368 | -7.4% |
| 4Q18 | 17,064 | -7.6% |
| 3Q18 | 14,502 | -2.8% |
| 2Q18 | 16,699 | +1.8% |
| 1Q18 | 14,435 | +2.3% |
| 4Q17 | 18,459 | +3.0% |
| 3Q17 | 14,926 | -0.1% |
| 2Q17 | 16,403 | -3.2% |
| 1Q17 | 14,113 | -0.8% |
| 4Q16 | 17,916 | -8.2% |
| 3Q16 | 14,941 | - |
| 2Q16 | 16,940 | - |
| 1Q16 | 14,224 | - |
| 4Q15 | 19,509 | - |