| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 30,781 | +24.6% |
| 2Q26 | 28,545 | +13.5% |
| 1Q26 | 26,648 | +10.0% |
| 4Q25 | 24,773 | -3.5% |
| 3Q25 | 24,698 | +0.8% |
| 2Q25 | 25,144 | +5.7% |
| 1Q25 | 24,220 | -2.8% |
| 4Q24 | 25,677 | -0.0% |
| 3Q24 | 24,508 | +6.0% |
| 2Q24 | 23,796 | -0.2% |
| 1Q24 | 24,923 | +14.1% |
| 4Q23 | 25,685 | +33.7% |
| 3Q23 | 23,130 | +14.8% |
| 2Q23 | 23,833 | +26.4% |
| 1Q23 | 21,837 | +18.6% |
| 4Q22 | 19,215 | +13.3% |
| 3Q22 | 20,142 | -0.4% |
| 2Q22 | 18,857 | -9.4% |
| 1Q22 | 18,407 | +4.9% |
| 4Q21 | 16,964 | -7.0% |
| 3Q21 | 20,226 | +36.3% |
| 2Q21 | 20,810 | +11.5% |
| 1Q21 | 17,545 | -3.6% |
| 4Q20 | 18,248 | +16.9% |
| 3Q20 | 14,844 | -9.8% |
| 2Q20 | 18,663 | +23.4% |
| 1Q20 | 18,207 | +16.6% |
| 4Q19 | 15,608 | +17.2% |
| 3Q19 | 16,453 | - |
| 2Q19 | 15,130 | - |
| 1Q19 | 15,611 | - |
| 4Q18 | 13,314 | - |