| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 39,090 | +4.6% |
| 4Q25 | 43,934 | +3.2% |
| 3Q25 | 40,025 | +5.8% |
| 2Q25 | 39,770 | +4.9% |
| 1Q25 | 37,361 | +2.2% |
| 4Q24 | 42,565 | +3.2% |
| 3Q24 | 37,847 | +1.6% |
| 2Q24 | 37,912 | +1.7% |
| 1Q24 | 36,545 | +5.8% |
| 4Q23 | 41,242 | +2.1% |
| 3Q23 | 37,245 | +12.4% |
| 2Q23 | 37,295 | +6.4% |
| 1Q23 | 34,543 | +10.5% |
| 4Q22 | 40,400 | +13.3% |
| 3Q22 | 33,123 | +9.3% |
| 2Q22 | 35,041 | -0.3% |
| 1Q22 | 31,249 | -6.3% |
| 4Q21 | 35,653 | +17.6% |
| 3Q21 | 30,302 | -6.0% |
| 2Q21 | 35,131 | +6.6% |
| 1Q21 | 33,334 | -5.7% |
| 4Q20 | 30,305 | -20.0% |
| 3Q20 | 32,241 | -3.3% |
| 2Q20 | 32,941 | -3.8% |
| 1Q20 | 35,338 | +7.5% |
| 4Q19 | 37,862 | +3.8% |
| 3Q19 | 33,350 | +2.6% |
| 2Q19 | 34,225 | +1.2% |
| 1Q19 | 32,872 | +0.7% |
| 4Q18 | 36,469 | +4.6% |
| 3Q18 | 32,496 | +3.4% |
| 2Q18 | 33,811 | +12.8% |
| 1Q18 | 32,648 | +9.2% |
| 4Q17 | 34,879 | +0.4% |
| 3Q17 | 31,433 | -1.4% |
| 2Q17 | 29,979 | -5.6% |
| 1Q17 | 29,897 | -3.6% |
| 4Q16 | 34,725 | - |
| 3Q16 | 31,872 | - |
| 2Q16 | 31,771 | - |
| 1Q16 | 31,013 | - |