| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 32,765 | +7.4% |
| 2Q26 | 31,975 | +15.2% |
| 1Q26 | 28,867 | +8.5% |
| 4Q25 | 27,726 | -17.7% |
| 3Q25 | 30,506 | +9.9% |
| 2Q25 | 27,746 | +7.3% |
| 1Q25 | 26,616 | +14.7% |
| 4Q24 | 33,692 | +7.9% |
| 3Q24 | 27,759 | +25.8% |
| 2Q24 | 25,847 | +23.7% |
| 1Q24 | 23,208 | +18.4% |
| 4Q23 | 31,233 | +24.2% |
| 3Q23 | 22,071 | -5.2% |
| 2Q23 | 20,896 | -14.8% |
| 1Q23 | 19,599 | -6.4% |
| 4Q22 | 25,146 | -13.3% |
| 3Q22 | 23,280 | -10.3% |
| 2Q22 | 24,518 | -2.9% |
| 1Q22 | 20,929 | +7.9% |
| 4Q21 | 28,997 | +7.7% |
| 3Q21 | 25,940 | +11.5% |
| 2Q21 | 25,260 | +13.5% |
| 1Q21 | 19,389 | +2.5% |
| 4Q20 | 26,927 | -6.3% |
| 3Q20 | 23,269 | +9.3% |
| 2Q20 | 22,261 | -0.5% |
| 1Q20 | 18,909 | -4.6% |
| 4Q19 | 28,728 | +12.2% |
| 3Q19 | 21,288 | -23.7% |
| 2Q19 | 22,379 | -19.7% |
| 1Q19 | 19,825 | +1.0% |
| 4Q18 | 25,595 | +1.6% |
| 3Q18 | 27,909 | +10.5% |
| 2Q18 | 27,880 | +46.5% |
| 1Q18 | 19,638 | +24.4% |
| 4Q17 | 25,187 | -1.3% |
| 3Q17 | 25,250 | +12.9% |
| 2Q17 | 19,026 | - |
| 1Q17 | 15,792 | - |
| 4Q16 | 25,528 | - |
| 3Q16 | 22,359 | - |