| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 5,085 | -7.8% |
| 3Q25 | 4,116 | -9.2% |
| 2Q25 | 4,464 | -6.8% |
| 1Q25 | 4,281 | -4.1% |
| 4Q24 | 5,518 | -6.3% |
| 3Q24 | 4,533 | -10.6% |
| 2Q24 | 4,791 | -13.2% |
| 1Q24 | 4,464 | -13.1% |
| 4Q23 | 5,892 | -12.3% |
| 3Q23 | 5,069 | -5.3% |
| 2Q23 | 5,519 | +3.3% |
| 1Q23 | 5,134 | -2.9% |
| 4Q22 | 6,720 | +2.3% |
| 3Q22 | 5,352 | -2.7% |
| 2Q22 | 5,342 | -16.2% |
| 1Q22 | 5,290 | -6.6% |
| 4Q21 | 6,568 | -6.8% |
| 3Q21 | 5,500 | -7.3% |
| 2Q21 | 6,377 | +8.7% |
| 1Q21 | 5,663 | +4.3% |
| 4Q20 | 7,046 | +5.9% |
| 3Q20 | 5,935 | -0.5% |
| 2Q20 | 5,864 | -14.8% |
| 1Q20 | 5,430 | -21.4% |
| 4Q19 | 6,651 | -14.7% |
| 3Q19 | 5,962 | -3.6% |
| 2Q19 | 6,884 | -0.8% |
| 1Q19 | 6,912 | -7.1% |
| 4Q18 | 7,794 | +2.5% |
| 3Q18 | 6,187 | +1.5% |
| 2Q18 | 6,939 | -1.8% |
| 1Q18 | 7,437 | -3.1% |
| 4Q17 | 7,607 | -20.4% |
| 3Q17 | 6,097 | - |
| 2Q17 | 7,067 | -24.0% |
| 1Q17 | 7,677 | -18.2% |
| 4Q16 | 9,562 | - |
| 2Q16 | 9,304 | - |
| 1Q16 | 9,383 | - |