| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 2,336 | -2.4% |
| 3Q25 | 2,712 | -4.2% |
| 2Q25 | 2,839 | -5.3% |
| 1Q25 | 2,454 | -2.8% |
| 4Q24 | 2,394 | +0.8% |
| 3Q24 | 2,832 | -3.1% |
| 2Q24 | 2,997 | -4.9% |
| 1Q24 | 2,524 | -4.0% |
| 4Q23 | 2,376 | -8.9% |
| 3Q23 | 2,922 | -7.6% |
| 2Q23 | 3,152 | -3.0% |
| 1Q23 | 2,630 | -10.0% |
| 4Q22 | 2,607 | -10.0% |
| 3Q22 | 3,162 | -11.9% |
| 2Q22 | 3,251 | -18.5% |
| 1Q22 | 2,924 | -11.6% |
| 4Q21 | 2,899 | -12.8% |
| 3Q21 | 3,591 | -15.0% |
| 2Q21 | 3,988 | -5.4% |
| 1Q21 | 3,308 | -14.2% |
| 4Q20 | 3,325 | -17.1% |
| 3Q20 | 4,224 | -11.4% |
| 2Q20 | 4,218 | -15.3% |
| 1Q20 | 3,855 | -16.0% |
| 4Q19 | 4,010 | -20.3% |
| 3Q19 | 4,770 | -7.5% |
| 2Q19 | 4,979 | -8.7% |
| 1Q19 | 4,588 | -8.8% |
| 4Q18 | 5,030 | -3.5% |
| 3Q18 | 5,159 | -9.9% |
| 2Q18 | 5,452 | -7.5% |
| 1Q18 | 5,031 | -4.7% |
| 4Q17 | 5,214 | -4.9% |
| 3Q17 | 5,729 | -8.3% |
| 2Q17 | 5,892 | -9.6% |
| 1Q17 | 5,281 | -6.9% |
| 4Q16 | 5,483 | - |
| 3Q16 | 6,246 | - |
| 2Q16 | 6,521 | - |
| 1Q16 | 5,670 | - |