| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 3,917 | -8.1% |
| 4Q25 | 4,184 | -7.3% |
| 1Q25 | 4,264 | +4.4% |
| 4Q24 | 4,515 | +4.7% |
| 3Q24 | 4,409 | +4.2% |
| 2Q24 | 4,334 | +2.6% |
| 1Q24 | 4,083 | +0.2% |
| 4Q23 | 4,313 | +4.8% |
| 3Q23 | 4,233 | +5.9% |
| 2Q23 | 4,223 | +7.2% |
| 1Q23 | 4,075 | +5.6% |
| 4Q22 | 4,116 | +1.4% |
| 3Q22 | 3,996 | +6.7% |
| 2Q22 | 3,939 | +1.3% |
| 1Q22 | 3,857 | +9.1% |
| 4Q21 | 4,059 | +10.4% |
| 3Q21 | 3,745 | +8.1% |
| 2Q21 | 3,890 | +0.6% |
| 1Q21 | 3,536 | -11.8% |
| 4Q20 | 3,676 | -14.8% |
| 3Q20 | 3,465 | -21.6% |
| 2Q20 | 3,867 | -13.8% |
| 1Q20 | 4,011 | -9.7% |
| 4Q19 | 4,315 | -6.3% |
| 3Q19 | 4,421 | -1.1% |
| 2Q19 | 4,488 | -1.6% |
| 1Q19 | 4,445 | -2.3% |
| 4Q18 | 4,605 | +2.3% |
| 3Q18 | 4,468 | +12.0% |
| 2Q18 | 4,563 | +13.2% |
| 1Q18 | 4,548 | +16.1% |
| 4Q17 | 4,503 | +18.7% |
| 3Q17 | 3,989 | +8.1% |
| 2Q17 | 4,030 | +3.1% |
| 1Q17 | 3,918 | +1.9% |
| 4Q16 | 3,793 | -5.0% |
| 3Q16 | 3,689 | - |
| 2Q16 | 3,911 | - |
| 1Q16 | 3,844 | - |
| 4Q15 | 3,991 | - |