| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 30,767 | +8.2% |
| 2Q26 | 29,747 | +9.4% |
| 1Q26 | 31,882 | +23.1% |
| 3Q25 | 28,441 | +15.8% |
| 2Q25 | 27,198 | +16.1% |
| 1Q25 | 25,906 | -0.6% |
| 4Q24 | 24,358 | -4.9% |
| 3Q24 | 24,563 | -10.8% |
| 2Q24 | 23,420 | -14.9% |
| 1Q24 | 26,069 | -12.9% |
| 4Q23 | 25,626 | -3.2% |
| 3Q23 | 27,529 | +9.0% |
| 2Q23 | 27,525 | +11.6% |
| 1Q23 | 29,921 | +27.9% |
| 4Q22 | 26,477 | +38.4% |
| 3Q22 | 25,263 | +60.8% |
| 2Q22 | 24,659 | +116.3% |
| 1Q22 | 23,392 | +74.6% |
| 4Q21 | 19,126 | +20.1% |
| 3Q21 | 15,707 | -4.3% |
| 2Q21 | 11,402 | -32.2% |
| 1Q21 | 13,398 | -24.3% |
| 4Q20 | 15,922 | -8.2% |
| 3Q20 | 16,421 | -13.3% |
| 2Q20 | 16,810 | -12.2% |
| 1Q20 | 17,700 | -11.8% |
| 4Q19 | 17,346 | -12.1% |
| 3Q19 | 18,933 | +0.3% |
| 2Q19 | 19,141 | +13.8% |
| 1Q19 | 20,063 | +13.7% |
| 4Q18 | 19,740 | +17.2% |
| 3Q18 | 18,875 | +31.1% |
| 2Q18 | 16,825 | +19.9% |
| 1Q18 | 17,648 | +23.2% |
| 4Q17 | 16,837 | +13.5% |
| 3Q17 | 14,402 | -6.7% |
| 2Q17 | 14,032 | -13.0% |
| 1Q17 | 14,325 | -13.4% |
| 4Q16 | 14,835 | - |
| 3Q16 | 15,434 | - |
| 2Q16 | 16,133 | - |
| 1Q16 | 16,542 | - |