| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 28,648 | -3.1% |
| 4Q25 | 26,953 | +5.2% |
| 3Q25 | 28,751 | -4.5% |
| 2Q25 | 26,160 | +2.3% |
| 1Q25 | 29,563 | +1.0% |
| 4Q24 | 25,612 | -19.3% |
| 3Q24 | 30,121 | -6.2% |
| 2Q24 | 25,560 | -8.1% |
| 1Q24 | 29,278 | -0.4% |
| 4Q23 | 31,724 | +13.8% |
| 3Q23 | 32,112 | +22.4% |
| 2Q23 | 27,803 | +22.9% |
| 1Q23 | 29,398 | +13.4% |
| 4Q22 | 27,885 | +12.9% |
| 3Q22 | 26,243 | +1.5% |
| 2Q22 | 22,622 | +2.7% |
| 1Q22 | 25,922 | +6.2% |
| 4Q21 | 24,709 | -1.7% |
| 3Q21 | 25,847 | +4.0% |
| 2Q21 | 22,024 | -5.4% |
| 1Q21 | 24,405 | -12.5% |
| 4Q20 | 25,136 | -15.4% |
| 3Q20 | 24,863 | -19.6% |
| 2Q20 | 23,271 | -24.2% |
| 1Q20 | 27,886 | -16.9% |
| 4Q19 | 29,707 | -21.8% |
| 3Q19 | 30,913 | -29.3% |
| 2Q19 | 30,716 | -12.6% |
| 1Q19 | 33,559 | -15.8% |
| 4Q18 | 37,988 | -0.1% |
| 3Q18 | 43,694 | +24.4% |
| 2Q18 | 35,146 | +4.6% |
| 1Q18 | 39,866 | +5.7% |
| 4Q17 | 38,020 | +13.9% |
| 3Q17 | 35,124 | +4.2% |
| 2Q17 | 33,610 | +9.3% |
| 1Q17 | 37,726 | -1.5% |
| 4Q16 | 33,394 | - |
| 3Q16 | 33,695 | - |
| 2Q16 | 30,749 | - |
| 1Q16 | 38,296 | - |