| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 30,268 | -14.1% |
| 1Q26 | 32,461 | -15.4% |
| 4Q25 | 33,378 | -4.0% |
| 3Q25 | 34,427 | -8.3% |
| 2Q25 | 35,255 | -2.3% |
| 1Q25 | 38,388 | -0.6% |
| 4Q24 | 34,772 | -12.1% |
| 3Q24 | 37,523 | -6.4% |
| 2Q24 | 36,074 | -5.5% |
| 1Q24 | 38,608 | -2.4% |
| 4Q23 | 39,551 | +0.1% |
| 3Q23 | 40,092 | +26.7% |
| 2Q23 | 38,174 | +41.6% |
| 1Q23 | 39,552 | +58.9% |
| 4Q22 | 39,523 | +58.9% |
| 3Q22 | 31,644 | +39.7% |
| 2Q22 | 26,953 | +14.2% |
| 1Q22 | 24,893 | +2.5% |
| 4Q21 | 24,873 | -8.9% |
| 3Q21 | 22,653 | -23.6% |
| 2Q21 | 23,608 | -19.7% |
| 1Q21 | 24,294 | -20.3% |
| 4Q20 | 27,305 | -9.6% |
| 3Q20 | 29,635 | -6.9% |
| 2Q20 | 29,401 | -2.7% |
| 1Q20 | 30,498 | +1.3% |
| 4Q19 | 30,215 | +1.4% |
| 3Q19 | 31,816 | +14.9% |
| 2Q19 | 30,228 | +35.4% |
| 1Q19 | 30,114 | +21.8% |
| 4Q18 | 29,797 | +13.9% |
| 3Q18 | 27,686 | +11.9% |
| 2Q18 | 22,330 | -8.2% |
| 1Q18 | 24,722 | +5.4% |
| 4Q17 | 26,161 | 0.0% |
| 3Q17 | 24,735 | -5.5% |
| 2Q17 | 24,320 | -14.5% |
| 1Q17 | 23,463 | -18.4% |
| 4Q16 | 26,155 | - |
| 3Q16 | 26,165 | - |
| 2Q16 | 28,431 | - |
| 1Q16 | 28,767 | - |