| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 14,316 | -0.7% |
| 1Q26 | 13,982 | -6.2% |
| 4Q25 | 14,758 | +4.2% |
| 3Q25 | 15,138 | +1.9% |
| 2Q25 | 14,420 | -10.9% |
| 1Q25 | 14,910 | -4.8% |
| 4Q24 | 14,157 | -10.6% |
| 3Q24 | 14,863 | -17.8% |
| 2Q24 | 16,185 | -4.7% |
| 1Q24 | 15,662 | -0.2% |
| 4Q23 | 15,844 | +8.8% |
| 3Q23 | 18,088 | +10.5% |
| 2Q23 | 16,975 | +13.1% |
| 1Q23 | 15,689 | +7.7% |
| 4Q22 | 14,557 | -43.8% |
| 3Q22 | 16,367 | -36.5% |
| 2Q22 | 15,012 | -35.1% |
| 1Q22 | 14,562 | -31.9% |
| 4Q21 | 25,883 | +13.1% |
| 3Q21 | 25,771 | -2.2% |
| 2Q21 | 23,132 | -17.0% |
| 1Q21 | 21,390 | -9.6% |
| 4Q20 | 22,883 | -6.9% |
| 3Q20 | 26,357 | -3.7% |
| 2Q20 | 27,866 | +3.7% |
| 1Q20 | 23,652 | -3.4% |
| 4Q19 | 24,577 | +3.8% |
| 3Q19 | 27,375 | +6.0% |
| 2Q19 | 26,872 | +5.0% |
| 1Q19 | 24,480 | +2.7% |
| 4Q18 | 23,676 | +0.1% |
| 3Q18 | 25,825 | +7.1% |
| 2Q18 | 25,589 | +1.2% |
| 1Q18 | 23,831 | -2.7% |
| 4Q17 | 23,658 | -8.1% |
| 3Q17 | 24,120 | -7.8% |
| 2Q17 | 25,276 | - |
| 1Q17 | 24,495 | - |
| 4Q16 | 25,739 | - |
| 3Q16 | 26,169 | - |