| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 32,687 | +2.8% |
| 1Q26 | 31,879 | +1.0% |
| 4Q25 | 33,151 | +2.3% |
| 3Q25 | 32,011 | -2.5% |
| 2Q25 | 31,789 | -4.0% |
| 1Q25 | 31,574 | +1.7% |
| 4Q24 | 32,390 | +3.1% |
| 3Q24 | 32,838 | +9.9% |
| 2Q24 | 33,114 | +8.3% |
| 1Q24 | 31,043 | +10.7% |
| 4Q23 | 31,420 | +7.4% |
| 3Q23 | 29,871 | +10.8% |
| 2Q23 | 30,566 | +20.9% |
| 1Q23 | 28,036 | +3.2% |
| 4Q22 | 29,268 | +4.2% |
| 3Q22 | 26,951 | -1.8% |
| 2Q22 | 25,292 | -1.1% |
| 1Q22 | 27,177 | +31.5% |
| 4Q21 | 28,075 | +4.3% |
| 3Q21 | 27,451 | -6.0% |
| 2Q21 | 25,582 | -5.1% |
| 1Q21 | 20,665 | -26.8% |
| 4Q20 | 26,906 | -4.3% |
| 3Q20 | 29,207 | +2.4% |
| 2Q20 | 26,953 | -3.9% |
| 1Q20 | 28,249 | -3.3% |
| 4Q19 | 28,119 | -5.7% |
| 3Q19 | 28,535 | -1.1% |
| 2Q19 | 28,033 | -1.9% |
| 1Q19 | 29,223 | +8.4% |
| 4Q18 | 29,819 | +6.5% |
| 3Q18 | 28,852 | +12.0% |
| 2Q18 | 28,576 | +11.7% |
| 1Q18 | 26,967 | +4.4% |
| 4Q17 | 27,993 | -1.5% |
| 3Q17 | 25,765 | +2.3% |
| 2Q17 | 25,572 | - |
| 1Q17 | 25,830 | - |
| 4Q16 | 28,414 | - |
| 3Q16 | 25,190 | - |