| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 26,135 | -2.7% |
| 1Q26 | 25,733 | +5.5% |
| 4Q25 | 25,815 | +2.0% |
| 3Q25 | 28,485 | +6.0% |
| 2Q25 | 26,863 | +6.6% |
| 1Q25 | 24,400 | +4.8% |
| 4Q24 | 25,302 | -6.4% |
| 3Q24 | 26,878 | -6.9% |
| 2Q24 | 25,210 | -4.3% |
| 1Q24 | 23,293 | -4.7% |
| 4Q23 | 27,040 | +18.0% |
| 3Q23 | 28,882 | +18.9% |
| 2Q23 | 26,335 | +20.1% |
| 1Q23 | 24,452 | +20.3% |
| 4Q22 | 22,918 | +11.9% |
| 3Q22 | 24,297 | +3.9% |
| 2Q22 | 21,922 | -3.7% |
| 1Q22 | 20,324 | -14.3% |
| 4Q21 | 20,487 | -16.6% |
| 3Q21 | 23,380 | -7.2% |
| 2Q21 | 22,759 | -8.8% |
| 1Q21 | 23,725 | +3.5% |
| 4Q20 | 24,554 | +7.0% |
| 3Q20 | 25,189 | +7.7% |
| 2Q20 | 24,959 | +22.2% |
| 1Q20 | 22,921 | +22.2% |
| 4Q19 | 22,950 | +14.0% |
| 3Q19 | 23,395 | +7.1% |
| 2Q19 | 20,433 | +5.3% |
| 1Q19 | 18,758 | -3.5% |
| 4Q18 | 20,124 | +4.8% |
| 3Q18 | 21,844 | +8.7% |
| 2Q18 | 19,396 | +11.9% |
| 1Q18 | 19,429 | +12.3% |
| 4Q17 | 19,198 | +8.3% |
| 3Q17 | 20,093 | +2.4% |
| 2Q17 | 17,340 | - |
| 1Q17 | 17,303 | - |
| 4Q16 | 17,721 | - |
| 3Q16 | 19,629 | - |