| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 4,010 | -1.5% |
| 4Q25 | 5,285 | -11.9% |
| 3Q25 | 4,542 | -10.1% |
| 2Q25 | 3,443 | -24.5% |
| 1Q25 | 4,071 | +0.2% |
| 4Q24 | 5,999 | +10.4% |
| 3Q24 | 5,052 | +2.5% |
| 2Q24 | 4,562 | +27.6% |
| 1Q24 | 4,063 | -7.1% |
| 4Q23 | 5,436 | +25.2% |
| 3Q23 | 4,930 | +20.8% |
| 2Q23 | 3,576 | +8.9% |
| 1Q23 | 4,372 | +7.4% |
| 4Q22 | 4,343 | +17.2% |
| 3Q22 | 4,080 | +12.4% |
| 2Q22 | 3,284 | +18.0% |
| 1Q22 | 4,070 | +15.1% |
| 4Q21 | 3,706 | +12.5% |
| 3Q21 | 3,628 | +19.6% |
| 2Q21 | 2,784 | +17.1% |
| 1Q21 | 3,534 | +35.8% |
| 4Q20 | 3,296 | -4.2% |
| 3Q20 | 3,034 | -2.5% |
| 2Q20 | 2,378 | +17.0% |
| 1Q20 | 2,603 | +3.4% |
| 4Q19 | 3,440 | +20.8% |
| 3Q19 | 3,113 | -2.5% |
| 2Q19 | 2,032 | +3.7% |
| 1Q19 | 2,518 | +9.5% |
| 4Q18 | 2,849 | -5.3% |
| 3Q18 | 3,192 | +30.4% |
| 2Q18 | 1,961 | +7.7% |
| 1Q18 | 2,300 | +22.2% |
| 4Q17 | 3,010 | +35.4% |
| 3Q17 | 2,449 | -1.9% |
| 2Q17 | 1,821 | -12.5% |
| 1Q17 | 1,882 | +28.7% |
| 4Q16 | 2,224 | - |
| 3Q16 | 2,496 | - |
| 2Q16 | 2,080 | - |
| 1Q16 | 1,463 | - |