| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 1,009 | -0.9% |
| 3Q25 | 1,084 | +4.4% |
| 2Q25 | 1,041 | +0.8% |
| 1Q25 | 1,042 | +0.1% |
| 4Q24 | 1,018 | +0.7% |
| 3Q24 | 1,039 | -2.2% |
| 2Q24 | 1,032 | -3.4% |
| 1Q24 | 1,040 | -1.2% |
| 4Q23 | 1,011 | -14.0% |
| 3Q23 | 1,063 | -11.2% |
| 2Q23 | 1,068 | -13.5% |
| 1Q23 | 1,053 | -20.3% |
| 4Q22 | 1,175 | -6.4% |
| 3Q22 | 1,196 | -12.0% |
| 2Q22 | 1,236 | -10.4% |
| 1Q22 | 1,322 | -2.0% |
| 4Q21 | 1,256 | -19.8% |
| 3Q21 | 1,360 | -16.4% |
| 2Q21 | 1,379 | -18.7% |
| 1Q21 | 1,348 | -23.2% |
| 4Q20 | 1,565 | -2.6% |
| 3Q20 | 1,628 | -5.3% |
| 2Q20 | 1,697 | -4.8% |
| 1Q20 | 1,756 | -3.5% |
| 4Q19 | 1,607 | -66.5% |
| 3Q19 | 1,719 | -66.0% |
| 2Q19 | 1,782 | -66.7% |
| 1Q19 | 1,819 | -64.6% |
| 4Q18 | 4,795 | -0.7% |
| 3Q18 | 5,052 | -1.0% |
| 2Q18 | 5,347 | -0.5% |
| 1Q18 | 5,144 | -2.0% |
| 4Q17 | 4,829 | -3.0% |
| 3Q17 | 5,106 | -2.2% |
| 2Q17 | 5,376 | - |
| 1Q17 | 5,250 | - |
| 4Q16 | 4,978 | - |
| 3Q16 | 5,221 | - |