| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 23,690 | -5.4% |
| 2Q26 | 25,405 | +5.4% |
| 1Q26 | 24,973 | +4.9% |
| 4Q25 | 24,506 | +5.7% |
| 3Q25 | 25,054 | +5.5% |
| 2Q25 | 24,095 | +2.2% |
| 1Q25 | 23,799 | +6.6% |
| 4Q24 | 23,186 | +7.4% |
| 3Q24 | 23,739 | +19.7% |
| 2Q24 | 23,586 | +1.9% |
| 1Q24 | 22,327 | -3.1% |
| 4Q23 | 21,587 | -11.8% |
| 3Q23 | 19,828 | -20.7% |
| 2Q23 | 23,142 | -10.4% |
| 1Q23 | 23,034 | -9.9% |
| 4Q22 | 24,463 | -2.0% |
| 3Q22 | 25,014 | 0.0% |
| 2Q22 | 25,837 | +6.8% |
| 1Q22 | 25,571 | -1.6% |
| 4Q21 | 24,951 | +5.2% |
| 3Q21 | 25,014 | +7.6% |
| 2Q21 | 24,181 | +2.6% |
| 1Q21 | 25,994 | +12.2% |
| 4Q20 | 23,727 | +4.7% |
| 3Q20 | 23,248 | +4.3% |
| 2Q20 | 23,562 | +5.7% |
| 1Q20 | 23,177 | +6.6% |
| 4Q19 | 22,670 | +4.1% |
| 3Q19 | 22,284 | +7.1% |
| 2Q19 | 22,300 | +2.8% |
| 1Q19 | 21,737 | +1.0% |
| 4Q18 | 21,782 | +2.8% |
| 3Q18 | 20,810 | +2.2% |
| 2Q18 | 21,701 | +4.3% |
| 1Q18 | 21,529 | -0.4% |
| 4Q17 | 21,184 | -1.5% |
| 3Q17 | 20,372 | -3.5% |
| 2Q17 | 20,810 | - |
| 1Q17 | 21,619 | - |
| 4Q16 | 21,509 | - |
| 3Q16 | 21,107 | - |