| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 1,241 | -4.6% |
| 3Q25 | 1,247 | -3.6% |
| 2Q25 | 1,265 | -1.8% |
| 1Q25 | 1,240 | -1.5% |
| 4Q24 | 1,300 | +3.4% |
| 3Q24 | 1,293 | +4.6% |
| 2Q24 | 1,289 | +2.5% |
| 1Q24 | 1,260 | +3.2% |
| 4Q23 | 1,257 | +8.1% |
| 3Q23 | 1,236 | +10.0% |
| 2Q23 | 1,257 | +15.8% |
| 1Q23 | 1,220 | +12.9% |
| 4Q22 | 1,163 | -8.4% |
| 3Q22 | 1,124 | -13.5% |
| 2Q22 | 1,085 | -17.8% |
| 1Q22 | 1,081 | -13.9% |
| 4Q21 | 1,270 | +10.7% |
| 3Q21 | 1,300 | +8.7% |
| 2Q21 | 1,321 | +12.0% |
| 1Q21 | 1,255 | +24.4% |
| 4Q20 | 1,147 | +21.7% |
| 3Q20 | 1,197 | +25.2% |
| 2Q20 | 1,179 | +26.6% |
| 1Q20 | 1,008 | +17.2% |
| 4Q19 | 943 | +10.1% |
| 3Q19 | 956 | +10.8% |
| 2Q19 | 931 | +11.4% |
| 1Q19 | 860 | +16.8% |
| 4Q18 | 856 | +16.6% |
| 3Q18 | 862 | +18.8% |
| 2Q18 | 836 | +14.1% |
| 1Q18 | 736 | +0.2% |
| 4Q17 | 735 | +0.1% |
| 3Q17 | 726 | -1.8% |
| 2Q17 | 732 | -4.9% |
| 1Q17 | 735 | +0.1% |
| 4Q16 | 734 | +5.0% |
| 3Q16 | 739 | - |
| 2Q16 | 770 | - |
| 1Q16 | 734 | - |
| 4Q15 | 699 | - |