| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 12,015 | -8.9% |
| 2Q26 | 11,715 | -7.4% |
| 1Q26 | 11,775 | -9.6% |
| 4Q25 | 12,721 | +5.6% |
| 3Q25 | 13,189 | -3.2% |
| 2Q25 | 12,649 | -0.6% |
| 1Q25 | 13,028 | +5.9% |
| 4Q24 | 12,052 | -7.3% |
| 3Q24 | 13,630 | +1.4% |
| 2Q24 | 12,719 | +3.3% |
| 1Q24 | 12,297 | +12.8% |
| 4Q23 | 13,004 | +10.2% |
| 3Q23 | 13,439 | +12.8% |
| 2Q23 | 12,311 | +18.2% |
| 1Q23 | 10,898 | +7.2% |
| 4Q22 | 11,799 | +8.3% |
| 3Q22 | 11,919 | +12.4% |
| 2Q22 | 10,413 | +10.2% |
| 1Q22 | 10,167 | +39.0% |
| 4Q21 | 10,890 | -0.3% |
| 3Q21 | 10,607 | -4.0% |
| 2Q21 | 9,451 | -18.3% |
| 1Q21 | 7,315 | -35.0% |
| 4Q20 | 10,925 | -6.8% |
| 3Q20 | 11,049 | -10.2% |
| 2Q20 | 11,573 | +0.6% |
| 1Q20 | 11,261 | -1.9% |
| 4Q19 | 11,717 | -3.3% |
| 3Q19 | 12,306 | +2.5% |
| 2Q19 | 11,502 | +6.1% |
| 1Q19 | 11,476 | +18.3% |
| 4Q18 | 12,115 | +16.9% |
| 3Q18 | 12,003 | +17.6% |
| 2Q18 | 10,842 | +28.6% |
| 1Q18 | 9,703 | +25.3% |
| 4Q17 | 10,363 | +16.6% |
| 3Q17 | 10,205 | +20.3% |
| 2Q17 | 8,428 | - |
| 1Q17 | 7,741 | - |
| 4Q16 | 8,891 | - |
| 3Q16 | 8,480 | - |