| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 45,135 | -0.2% |
| 3Q25 | 46,245 | +11.5% |
| 2Q25 | 48,176 | +11.2% |
| 1Q25 | 44,377 | +10.9% |
| 4Q24 | 45,246 | +13.7% |
| 3Q24 | 41,476 | +1.5% |
| 2Q24 | 43,311 | +4.4% |
| 1Q24 | 40,027 | +3.2% |
| 4Q23 | 39,798 | -2.0% |
| 3Q23 | 40,869 | +0.5% |
| 2Q23 | 41,468 | +3.2% |
| 1Q23 | 38,773 | +0.1% |
| 4Q22 | 40,622 | +0.2% |
| 3Q22 | 40,673 | -0.7% |
| 2Q22 | 40,198 | -4.8% |
| 1Q22 | 38,721 | -1.5% |
| 4Q21 | 40,522 | -9.3% |
| 3Q21 | 40,948 | -6.6% |
| 2Q21 | 42,231 | -9.9% |
| 1Q21 | 39,293 | -14.1% |
| 4Q20 | 44,660 | +1.0% |
| 3Q20 | 43,823 | -4.7% |
| 2Q20 | 46,874 | -4.4% |
| 1Q20 | 45,740 | -0.9% |
| 4Q19 | 44,219 | -3.7% |
| 3Q19 | 46,005 | -1.0% |
| 2Q19 | 49,017 | -0.6% |
| 1Q19 | 46,170 | +0.6% |
| 4Q18 | 45,933 | +1.2% |
| 3Q18 | 46,489 | +2.6% |
| 2Q18 | 49,304 | +2.6% |
| 1Q18 | 45,896 | +2.3% |
| 4Q17 | 45,383 | +4.2% |
| 3Q17 | 45,323 | +2.9% |
| 2Q17 | 48,071 | - |
| 1Q17 | 44,868 | - |
| 4Q16 | 43,539 | - |
| 3Q16 | 44,047 | - |