| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 33,851 | +2.6% |
| 3Q25 | 32,640 | +1.7% |
| 2Q25 | 32,242 | +0.4% |
| 1Q25 | 30,987 | +3.7% |
| 4Q24 | 32,980 | +2.7% |
| 3Q24 | 32,089 | +4.2% |
| 2Q24 | 32,118 | +1.2% |
| 1Q24 | 29,884 | +3.9% |
| 4Q23 | 32,100 | +1.7% |
| 3Q23 | 30,797 | -2.1% |
| 2Q23 | 31,742 | +4.4% |
| 1Q23 | 28,764 | +3.9% |
| 4Q22 | 31,557 | +10.5% |
| 3Q22 | 31,450 | +22.0% |
| 2Q22 | 30,415 | +22.1% |
| 1Q22 | 27,672 | +25.2% |
| 4Q21 | 28,549 | +16.7% |
| 3Q21 | 25,769 | +29.9% |
| 2Q21 | 24,912 | +18.2% |
| 1Q21 | 22,098 | -9.7% |
| 2Q20 | 19,830 | -21.0% |
| 1Q20 | 21,083 | -8.8% |
| 4Q20 | 24,470 | +0.5% |
| 3Q20 | 28,177 | +13.3% |
| 1Q20 | 23,112 | -3.1% |
| 4Q19 | 24,360 | +1.9% |
| 3Q19 | 24,874 | +8.0% |
| 2Q19 | 25,114 | +14.2% |
| 1Q19 | 23,840 | +10.7% |
| 4Q18 | 23,912 | +7.4% |
| 3Q18 | 23,031 | +12.1% |
| 2Q18 | 21,982 | +12.1% |
| 1Q18 | 21,534 | +7.8% |
| 4Q17 | 22,265 | +3.5% |
| 3Q17 | 20,549 | -0.7% |
| 2Q17 | 19,607 | - |
| 1Q17 | 19,984 | - |
| 4Q16 | 21,506 | - |
| 3Q16 | 20,693 | - |