| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 20,718 | +0.5% |
| 2Q26 | 19,875 | +1.1% |
| 1Q26 | 19,897 | +7.0% |
| 4Q25 | 20,329 | +11.9% |
| 3Q25 | 20,624 | +6.9% |
| 2Q25 | 19,664 | +6.5% |
| 1Q25 | 18,594 | +0.6% |
| 4Q24 | 18,168 | -3.7% |
| 3Q24 | 19,295 | -3.8% |
| 2Q24 | 18,456 | -5.2% |
| 1Q24 | 18,489 | +9.3% |
| 4Q23 | 18,865 | +17.2% |
| 3Q23 | 20,050 | +34.9% |
| 2Q23 | 19,463 | +38.4% |
| 1Q23 | 16,922 | +29.3% |
| 4Q22 | 16,091 | +25.2% |
| 3Q22 | 14,867 | +25.0% |
| 2Q22 | 14,067 | +29.0% |
| 1Q22 | 13,092 | +7.0% |
| 4Q21 | 12,851 | +1.4% |
| 3Q21 | 11,892 | -12.4% |
| 2Q21 | 10,906 | -22.4% |
| 1Q21 | 12,239 | -9.5% |
| 4Q20 | 12,672 | -11.7% |
| 3Q20 | 13,580 | -9.9% |
| 2Q20 | 14,062 | -7.3% |
| 1Q20 | 13,529 | -9.0% |
| 4Q19 | 14,355 | -1.4% |
| 3Q19 | 15,071 | +3.9% |
| 2Q19 | 15,166 | +11.8% |
| 1Q19 | 14,869 | +13.2% |
| 4Q18 | 14,561 | +9.5% |
| 3Q18 | 14,508 | +9.9% |
| 2Q18 | 13,568 | +0.2% |
| 1Q18 | 13,133 | -6.5% |
| 4Q17 | 13,295 | -12.7% |
| 3Q17 | 13,201 | -16.6% |
| 2Q17 | 13,536 | - |
| 1Q17 | 14,049 | - |
| 4Q16 | 15,235 | - |
| 3Q16 | 15,828 | - |