| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 27,955 | -3.7% |
| 2Q26 | 26,569 | -0.4% |
| 1Q26 | 25,777 | -1.0% |
| 4Q25 | 26,520 | +2.8% |
| 3Q25 | 29,035 | +3.1% |
| 2Q25 | 26,685 | -0.4% |
| 1Q25 | 26,043 | +1.9% |
| 4Q24 | 25,805 | -0.5% |
| 3Q24 | 28,157 | +5.8% |
| 2Q24 | 26,796 | +8.1% |
| 1Q24 | 25,554 | +14.0% |
| 4Q23 | 25,947 | +7.5% |
| 3Q23 | 26,605 | +11.8% |
| 2Q23 | 24,793 | +11.6% |
| 1Q23 | 22,411 | +9.2% |
| 4Q22 | 24,137 | +433.5% |
| 3Q22 | 23,797 | -18.4% |
| 2Q22 | 22,214 | -17.8% |
| 1Q22 | 20,517 | -16.2% |
| 4Q21 | 4,524 | -84.7% |
| 3Q21 | 29,176 | +2.1% |
| 2Q21 | 27,025 | -3.3% |
| 1Q21 | 24,497 | -6.4% |
| 4Q20 | 29,496 | +1.1% |
| 3Q20 | 28,577 | -4.6% |
| 2Q20 | 27,939 | +3.1% |
| 1Q20 | 26,184 | +3.0% |
| 4Q19 | 29,174 | -0.2% |
| 3Q19 | 29,958 | +10.6% |
| 2Q19 | 27,107 | +6.2% |
| 1Q19 | 25,430 | +4.6% |
| 4Q18 | 29,245 | +7.6% |
| 3Q18 | 27,085 | +6.6% |
| 2Q18 | 25,536 | +2.9% |
| 1Q18 | 24,322 | +7.4% |
| 4Q17 | 27,184 | +3.5% |
| 3Q17 | 25,397 | +0.7% |
| 2Q17 | 24,820 | - |
| 1Q17 | 22,648 | - |
| 4Q16 | 26,272 | - |
| 3Q16 | 25,228 | - |