| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 25,282 | +6.0% |
| 3Q25 | 24,400 | +11.5% |
| 2Q25 | 22,374 | +11.9% |
| 1Q25 | 26,062 | +11.5% |
| 4Q24 | 23,857 | -1.1% |
| 3Q24 | 21,891 | +1.4% |
| 2Q24 | 19,997 | +2.1% |
| 1Q24 | 23,382 | -7.6% |
| 4Q23 | 24,122 | +15.1% |
| 3Q23 | 21,589 | +16.8% |
| 2Q23 | 19,590 | +16.0% |
| 1Q23 | 25,309 | +10.9% |
| 4Q22 | 20,960 | +1.5% |
| 3Q22 | 18,476 | -2.1% |
| 2Q22 | 16,887 | -13.9% |
| 1Q22 | 22,820 | +0.7% |
| 4Q21 | 20,651 | -4.2% |
| 3Q21 | 18,877 | +5.4% |
| 2Q21 | 19,611 | +49.7% |
| 1Q21 | 22,660 | +3.3% |
| 4Q20 | 21,549 | +5.9% |
| 3Q20 | 17,905 | -9.0% |
| 2Q20 | 13,098 | -23.6% |
| 1Q20 | 21,942 | -0.2% |
| 4Q19 | 20,347 | -2.5% |
| 3Q19 | 19,676 | +5.8% |
| 2Q19 | 17,135 | -3.9% |
| 1Q19 | 21,979 | +5.6% |
| 4Q18 | 20,878 | -2.8% |
| 3Q18 | 18,602 | +22.8% |
| 2Q18 | 17,828 | +17.3% |
| 1Q18 | 20,805 | +12.3% |
| 4Q17 | 21,472 | +0.7% |
| 3Q17 | 15,150 | -4.8% |
| 2Q17 | 15,194 | +3.6% |
| 1Q17 | 18,526 | -2.8% |
| 4Q16 | 21,321 | -3.5% |
| 3Q16 | 15,907 | - |
| 2Q16 | 14,672 | - |
| 1Q16 | 19,055 | - |
| 4Q15 | 22,096 | - |