| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 10,222 | -5.0% |
| 2Q26 | 9,780 | -4.8% |
| 1Q26 | 10,149 | -0.2% |
| 4Q25 | 9,562 | -3.0% |
| 3Q25 | 10,760 | -1.4% |
| 2Q25 | 10,272 | -3.5% |
| 1Q25 | 10,172 | -5.4% |
| 4Q24 | 9,857 | -5.7% |
| 3Q24 | 10,913 | +2.6% |
| 2Q24 | 10,646 | +3.6% |
| 1Q24 | 10,748 | +2.2% |
| 4Q23 | 10,453 | +7.8% |
| 3Q23 | 10,639 | +7.7% |
| 2Q23 | 10,272 | +18.4% |
| 1Q23 | 10,516 | +30.6% |
| 4Q22 | 9,695 | -12.3% |
| 3Q22 | 9,875 | -9.0% |
| 2Q22 | 8,676 | -11.7% |
| 1Q22 | 8,054 | -24.0% |
| 4Q21 | 11,052 | -9.5% |
| 3Q21 | 10,852 | -20.3% |
| 2Q21 | 9,824 | -22.2% |
| 1Q21 | 10,593 | +5.5% |
| 4Q20 | 12,208 | +19.3% |
| 3Q20 | 13,611 | +13.9% |
| 2Q20 | 12,630 | +23.0% |
| 1Q20 | 10,040 | +1.2% |
| 4Q19 | 10,236 | -4.0% |
| 3Q19 | 11,953 | +11.7% |
| 2Q19 | 10,266 | +3.4% |
| 1Q19 | 9,921 | +8.0% |
| 4Q18 | 10,662 | +14.0% |
| 3Q18 | 10,699 | +22.0% |
| 2Q18 | 9,924 | +20.1% |
| 1Q18 | 9,184 | +13.4% |
| 4Q17 | 9,352 | +1.9% |
| 3Q17 | 8,768 | -3.5% |
| 2Q17 | 8,263 | - |
| 1Q17 | 8,098 | - |
| 4Q16 | 9,174 | - |
| 3Q16 | 9,085 | - |