| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 12,952 | -4.0% |
| 2Q26 | 12,869 | -10.6% |
| 1Q26 | 13,671 | -9.7% |
| 4Q25 | 11,588 | -11.0% |
| 3Q25 | 13,485 | +0.7% |
| 2Q25 | 14,394 | +4.0% |
| 1Q25 | 15,132 | +6.5% |
| 4Q24 | 13,017 | +2.2% |
| 3Q24 | 13,390 | +1.7% |
| 2Q24 | 13,838 | +3.7% |
| 1Q24 | 14,211 | +1.9% |
| 4Q23 | 12,740 | +0.8% |
| 3Q23 | 13,169 | +3.7% |
| 2Q23 | 13,339 | +7.7% |
| 1Q23 | 13,951 | +2.4% |
| 4Q22 | 12,637 | +8.4% |
| 3Q22 | 12,705 | +8.4% |
| 2Q22 | 12,381 | +5.4% |
| 1Q22 | 13,630 | +7.1% |
| 4Q21 | 11,661 | +3.1% |
| 3Q21 | 11,720 | +10.0% |
| 2Q21 | 11,742 | -1.4% |
| 1Q21 | 12,729 | +10.0% |
| 4Q20 | 11,310 | +13.2% |
| 3Q20 | 10,656 | +0.4% |
| 2Q20 | 11,905 | +15.5% |
| 1Q20 | 11,572 | +1.9% |
| 4Q19 | 9,991 | +1.7% |
| 3Q19 | 10,613 | +2.6% |
| 2Q19 | 10,304 | +0.3% |
| 1Q19 | 11,353 | +6.0% |
| 4Q18 | 9,821 | +6.3% |
| 3Q18 | 10,341 | +4.1% |
| 2Q18 | 10,270 | +6.0% |
| 1Q18 | 10,707 | -1.1% |
| 4Q17 | 9,237 | +6.6% |
| 3Q17 | 9,931 | +6.1% |
| 2Q17 | 9,690 | - |
| 1Q17 | 10,827 | - |
| 4Q16 | 8,664 | - |
| 3Q16 | 9,359 | - |