| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 10,816 | -7.0% |
| 2Q26 | 9,837 | -11.9% |
| 1Q26 | 10,560 | -8.0% |
| 4Q25 | 10,736 | -12.9% |
| 3Q25 | 11,630 | -9.6% |
| 2Q25 | 11,169 | -4.3% |
| 1Q25 | 11,484 | -10.9% |
| 4Q24 | 12,324 | -7.6% |
| 3Q24 | 12,869 | -11.7% |
| 2Q24 | 11,667 | -8.1% |
| 1Q24 | 12,883 | +10.5% |
| 4Q23 | 13,331 | +22.7% |
| 3Q23 | 14,576 | +27.8% |
| 2Q23 | 12,696 | +22.7% |
| 1Q23 | 11,655 | +18.8% |
| 4Q22 | 10,867 | +9.9% |
| 3Q22 | 11,409 | +19.0% |
| 2Q22 | 10,343 | +19.4% |
| 1Q22 | 9,815 | +4.3% |
| 4Q21 | 9,892 | +2.5% |
| 3Q21 | 9,587 | -7.2% |
| 2Q21 | 8,662 | -10.4% |
| 1Q21 | 9,409 | -2.0% |
| 4Q20 | 9,646 | +2.1% |
| 3Q20 | 10,332 | -1.6% |
| 2Q20 | 9,665 | +6.5% |
| 1Q20 | 9,606 | +4.0% |
| 4Q19 | 9,444 | +5.1% |
| 3Q19 | 10,499 | +10.3% |
| 2Q19 | 9,071 | +3.5% |
| 1Q19 | 9,235 | +0.5% |
| 4Q18 | 8,989 | 0.0% |
| 3Q18 | 9,516 | -1.1% |
| 2Q18 | 8,760 | -3.8% |
| 1Q18 | 9,185 | -4.6% |
| 4Q17 | 8,986 | -12.0% |
| 3Q17 | 9,621 | -16.9% |
| 2Q17 | 9,108 | -11.5% |
| 1Q17 | 9,631 | -9.7% |
| 4Q16 | 10,212 | - |
| 3Q16 | 11,573 | - |
| 2Q16 | 10,293 | - |
| 1Q16 | 10,668 | - |