| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 1,513 | +9.8% |
| 3Q25 | 1,508 | +5.3% |
| 2Q25 | 1,504 | +7.8% |
| 1Q25 | 1,424 | +4.6% |
| 4Q24 | 1,378 | +3.4% |
| 3Q24 | 1,433 | +3.8% |
| 2Q24 | 1,395 | +1.6% |
| 1Q24 | 1,361 | +3.7% |
| 4Q23 | 1,333 | +8.9% |
| 3Q23 | 1,380 | +13.9% |
| 2Q23 | 1,374 | +20.5% |
| 1Q23 | 1,313 | +21.6% |
| 4Q22 | 1,224 | +13.4% |
| 3Q22 | 1,212 | +23.3% |
| 2Q22 | 1,140 | +18.2% |
| 1Q22 | 1,080 | +16.9% |
| 4Q21 | 1,079 | +13.0% |
| 3Q21 | 983 | +11.7% |
| 2Q21 | 964 | +14.2% |
| 1Q21 | 923 | -1.9% |
| 4Q20 | 955 | +0.9% |
| 3Q20 | 880 | - |
| 2Q20 | 844 | - |
| 1Q20 | 942 | - |
| 4Q19 | 946 | - |