| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 23,296 | -4.2% |
| 1Q26 | 22,826 | -3.5% |
| 4Q25 | 23,966 | +6.8% |
| 3Q25 | 25,710 | +2.6% |
| 2Q25 | 24,307 | +4.8% |
| 1Q25 | 23,643 | +10.7% |
| 4Q24 | 22,439 | +6.4% |
| 3Q24 | 25,060 | +7.2% |
| 2Q24 | 23,184 | +6.7% |
| 1Q24 | 21,367 | +9.2% |
| 4Q23 | 21,092 | +7.0% |
| 3Q23 | 23,366 | +13.2% |
| 2Q23 | 21,723 | +15.3% |
| 1Q23 | 19,572 | +9.2% |
| 4Q22 | 19,703 | +8.3% |
| 3Q22 | 20,645 | +7.3% |
| 2Q22 | 18,837 | +4.7% |
| 1Q22 | 17,926 | +0.1% |
| 4Q21 | 18,196 | -0.9% |
| 3Q21 | 19,234 | -1.1% |
| 2Q21 | 17,983 | -4.9% |
| 1Q21 | 17,902 | +1.9% |
| 4Q20 | 18,368 | +3.4% |
| 3Q20 | 19,456 | -0.7% |
| 2Q20 | 18,914 | +9.1% |
| 1Q20 | 17,560 | +4.3% |
| 4Q19 | 17,765 | +2.5% |
| 3Q19 | 19,588 | +5.8% |
| 2Q19 | 17,331 | +1.1% |
| 1Q19 | 16,840 | +1.5% |
| 4Q18 | 17,326 | -8.8% |
| 3Q18 | 18,511 | +3.1% |
| 2Q18 | 17,139 | -2.0% |
| 1Q18 | 16,588 | -1.9% |
| 4Q17 | 18,993 | +6.2% |
| 3Q17 | 17,948 | -3.9% |
| 2Q17 | 17,483 | - |
| 1Q17 | 16,915 | - |
| 4Q16 | 17,892 | - |
| 3Q16 | 18,677 | - |