| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 18,496 | -3.2% |
| 2Q26 | 16,982 | -5.8% |
| 1Q26 | 16,900 | +0.1% |
| 4Q25 | 17,121 | -6.0% |
| 3Q25 | 19,102 | +4.2% |
| 2Q25 | 18,033 | +6.4% |
| 1Q25 | 16,891 | +0.7% |
| 4Q24 | 18,213 | -8.8% |
| 3Q24 | 18,335 | -10.4% |
| 2Q24 | 16,944 | -12.3% |
| 1Q24 | 16,779 | -9.1% |
| 4Q23 | 19,965 | +5.7% |
| 3Q23 | 20,472 | +11.9% |
| 2Q23 | 19,331 | +19.2% |
| 1Q23 | 18,461 | +14.7% |
| 4Q22 | 18,882 | -18.9% |
| 3Q22 | 18,301 | -23.0% |
| 2Q22 | 16,215 | -35.5% |
| 1Q22 | 16,102 | -25.1% |
| 4Q21 | 23,292 | -6.3% |
| 3Q21 | 23,777 | -9.0% |
| 2Q21 | 25,136 | -9.3% |
| 1Q21 | 21,498 | -21.1% |
| 4Q20 | 24,855 | -6.5% |
| 3Q20 | 26,115 | -2.4% |
| 2Q20 | 27,701 | -1.1% |
| 1Q20 | 27,255 | +1.2% |
| 4Q19 | 26,570 | +7.2% |
| 3Q19 | 26,754 | +9.2% |
| 2Q19 | 28,018 | +6.9% |
| 1Q19 | 26,938 | +6.8% |
| 4Q18 | 24,776 | -0.0% |
| 3Q18 | 24,509 | +3.8% |
| 2Q18 | 26,198 | +1.6% |
| 1Q18 | 25,218 | -6.5% |
| 4Q17 | 24,783 | +1.0% |
| 3Q17 | 23,611 | -3.2% |
| 2Q17 | 25,797 | -4.7% |
| 1Q17 | 26,978 | +1.5% |
| 4Q16 | 24,534 | - |
| 3Q16 | 24,385 | - |
| 2Q16 | 27,057 | - |
| 1Q16 | 26,583 | - |