| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 5,954 | -12.2% |
| 3Q25 | 4,601 | -5.8% |
| 2Q25 | 5,414 | -4.0% |
| 1Q25 | 4,769 | -5.6% |
| 4Q24 | 6,780 | +3.0% |
| 3Q24 | 4,886 | +1.7% |
| 2Q24 | 5,638 | -16.9% |
| 1Q24 | 5,053 | -20.9% |
| 4Q23 | 6,581 | -26.9% |
| 3Q23 | 4,802 | -35.6% |
| 2Q23 | 6,786 | -15.3% |
| 1Q23 | 6,391 | +0.1% |
| 4Q22 | 9,008 | -9.0% |
| 3Q22 | 7,456 | -7.9% |
| 2Q22 | 8,016 | -12.8% |
| 1Q22 | 6,384 | -31.1% |
| 4Q21 | 9,896 | -13.0% |
| 3Q21 | 8,098 | -7.0% |
| 2Q21 | 9,195 | -14.9% |
| 1Q21 | 9,268 | -8.2% |
| 4Q20 | 11,371 | -2.1% |
| 3Q20 | 8,703 | -16.7% |
| 2Q20 | 10,807 | -1.7% |
| 1Q20 | 10,092 | -7.4% |
| 4Q19 | 11,619 | -35.7% |
| 3Q19 | 10,448 | -33.0% |
| 2Q19 | 10,999 | -32.4% |
| 1Q19 | 10,903 | -27.7% |
| 4Q18 | 18,077 | -16.8% |
| 3Q18 | 15,585 | +0.5% |
| 2Q18 | 16,274 | -11.0% |
| 1Q18 | 15,083 | -5.3% |
| 4Q17 | 21,720 | +18.0% |
| 3Q17 | 15,505 | +8.3% |
| 2Q17 | 18,290 | +2.7% |
| 1Q17 | 15,922 | -3.9% |
| 4Q16 | 18,399 | -15.7% |
| 3Q16 | 14,311 | - |
| 2Q16 | 17,811 | - |
| 1Q16 | 16,566 | - |
| 4Q15 | 21,837 | - |