| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 17,367 | +12.2% |
| 2Q26 | 15,580 | -14.7% |
| 1Q26 | 15,204 | +9.5% |
| 4Q25 | 16,361 | +18.0% |
| 3Q25 | 15,472 | +9.7% |
| 2Q25 | 18,270 | +31.6% |
| 1Q25 | 13,887 | +17.2% |
| 4Q24 | 13,865 | -1.1% |
| 3Q24 | 14,109 | -11.2% |
| 2Q24 | 13,878 | -7.0% |
| 1Q24 | 11,845 | -2.7% |
| 4Q23 | 14,015 | +14.4% |
| 3Q23 | 15,889 | +17.9% |
| 2Q23 | 14,915 | +40.3% |
| 1Q23 | 12,168 | +22.6% |
| 4Q22 | 12,256 | +23.9% |
| 3Q22 | 13,472 | +19.7% |
| 2Q22 | 10,631 | +4.0% |
| 1Q22 | 9,925 | -27.4% |
| 4Q21 | 9,891 | -26.2% |
| 3Q21 | 11,258 | -13.7% |
| 2Q21 | 10,218 | -7.7% |
| 1Q21 | 13,672 | +13.1% |
| 4Q20 | 13,408 | +1.8% |
| 3Q20 | 13,050 | -6.5% |
| 2Q20 | 11,075 | -21.3% |
| 1Q20 | 12,092 | -10.6% |
| 4Q19 | 13,165 | -5.1% |
| 3Q19 | 13,955 | - |
| 2Q19 | 14,066 | - |
| 1Q19 | 13,527 | - |
| 4Q18 | 13,867 | - |