| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 3,821 | -0.1% |
| 3Q25 | 3,771 | +0.2% |
| 2Q25 | 3,718 | -6.2% |
| 1Q25 | 3,748 | -3.0% |
| 4Q24 | 3,823 | -8.4% |
| 3Q24 | 3,762 | +5.9% |
| 2Q24 | 3,964 | +5.3% |
| 1Q24 | 3,866 | +7.9% |
| 4Q23 | 4,175 | +14.4% |
| 3Q23 | 3,551 | +11.4% |
| 2Q23 | 3,765 | +27.1% |
| 1Q23 | 3,583 | +33.8% |
| 4Q22 | 3,648 | +31.9% |
| 3Q22 | 3,189 | +39.7% |
| 2Q22 | 2,961 | +23.2% |
| 1Q22 | 2,678 | +4.0% |
| 4Q21 | 2,765 | +21.1% |
| 3Q21 | 2,282 | -0.4% |
| 2Q21 | 2,404 | -3.6% |
| 1Q21 | 2,576 | -10.9% |
| 4Q20 | 2,284 | -23.7% |
| 3Q20 | 2,291 | -16.6% |
| 2Q20 | 2,493 | -12.6% |
| 1Q20 | 2,891 | -14.4% |
| 4Q19 | 2,993 | -1.3% |
| 3Q19 | 2,746 | -15.7% |
| 2Q19 | 2,852 | -5.0% |
| 1Q19 | 3,378 | +1.9% |
| 4Q18 | 3,032 | +0.6% |
| 3Q18 | 3,259 | +4.2% |
| 2Q18 | 3,001 | +7.5% |
| 1Q18 | 3,316 | +7.2% |
| 4Q17 | 3,014 | -3.2% |
| 3Q17 | 3,129 | +2.7% |
| 2Q17 | 2,793 | -4.9% |
| 1Q17 | 3,092 | -10.7% |
| 4Q16 | 3,114 | - |
| 3Q16 | 3,045 | - |
| 2Q16 | 2,938 | - |
| 1Q16 | 3,461 | - |