| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 15,499 | -7.7% |
| 3Q25 | 16,752 | -0.5% |
| 2Q25 | 15,949 | +1.4% |
| 1Q25 | 16,589 | +8.7% |
| 4Q24 | 16,788 | -3.5% |
| 3Q24 | 16,834 | +8.5% |
| 2Q24 | 15,736 | -4.6% |
| 1Q24 | 15,268 | -13.4% |
| 4Q23 | 17,405 | +0.8% |
| 3Q23 | 15,511 | -10.8% |
| 2Q23 | 16,502 | +11.6% |
| 1Q23 | 17,624 | +21.4% |
| 4Q22 | 17,267 | +19.7% |
| 3Q22 | 17,389 | +32.9% |
| 2Q22 | 14,788 | +27.8% |
| 1Q22 | 14,517 | +15.8% |
| 4Q21 | 14,431 | +20.6% |
| 3Q21 | 13,082 | +24.4% |
| 2Q21 | 11,568 | +27.1% |
| 1Q21 | 12,536 | +6.2% |
| 4Q20 | 11,970 | -37.9% |
| 3Q20 | 10,518 | -38.1% |
| 2Q20 | 9,100 | -44.4% |
| 1Q20 | 11,801 | -32.8% |
| 4Q19 | 19,286 | +9.8% |
| 3Q19 | 16,988 | +2.4% |
| 2Q19 | 16,368 | +2.6% |
| 1Q19 | 17,555 | +13.1% |
| 4Q18 | 17,563 | +14.7% |
| 3Q18 | 16,594 | +16.9% |
| 2Q18 | 15,955 | +18.9% |
| 1Q18 | 15,528 | +23.4% |
| 4Q17 | 15,306 | +20.8% |
| 3Q17 | 14,195 | +17.1% |
| 2Q17 | 13,416 | +15.4% |
| 1Q17 | 12,586 | -10.4% |
| 4Q16 | 12,668 | -28.1% |
| 3Q16 | 12,118 | - |
| 2Q16 | 11,623 | - |
| 1Q16 | 14,052 | - |
| 4Q15 | 17,621 | - |