| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 23,692 | -8.3% |
| 2Q26 | 23,633 | -18.6% |
| 1Q26 | 24,347 | -22.4% |
| 4Q25 | 23,965 | -21.7% |
| 3Q25 | 25,824 | -25.3% |
| 2Q25 | 29,034 | -11.7% |
| 1Q25 | 31,381 | -2.5% |
| 4Q24 | 30,606 | -8.9% |
| 3Q24 | 34,566 | -6.3% |
| 2Q24 | 32,866 | -8.8% |
| 1Q24 | 32,193 | -11.1% |
| 4Q23 | 33,597 | +0.3% |
| 3Q23 | 36,884 | +8.9% |
| 2Q23 | 36,021 | +16.1% |
| 1Q23 | 36,216 | +23.3% |
| 4Q22 | 33,489 | +13.2% |
| 3Q22 | 33,860 | +10.5% |
| 2Q22 | 31,030 | +19.9% |
| 1Q22 | 29,370 | +16.7% |
| 4Q21 | 29,589 | +1.1% |
| 3Q21 | 30,654 | -0.8% |
| 2Q21 | 25,885 | -13.5% |
| 1Q21 | 25,171 | -17.8% |
| 4Q20 | 29,281 | -2.6% |
| 3Q20 | 30,894 | -3.8% |
| 2Q20 | 29,937 | -5.7% |
| 1Q20 | 30,636 | -4.9% |
| 4Q19 | 30,062 | -8.0% |
| 3Q19 | 32,113 | -4.8% |
| 2Q19 | 31,759 | +1.9% |
| 1Q19 | 32,218 | +7.1% |
| 4Q18 | 32,673 | +7.1% |
| 3Q18 | 33,738 | +10.8% |
| 2Q18 | 31,154 | +19.7% |
| 1Q18 | 30,086 | +8.4% |
| 4Q17 | 30,510 | +1.8% |
| 3Q17 | 30,451 | -4.6% |
| 2Q17 | 26,017 | - |
| 1Q17 | 27,750 | - |
| 4Q16 | 29,969 | - |
| 3Q16 | 31,934 | - |