| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 992 | -18.7% |
| 2Q26 | 889 | -21.3% |
| 1Q26 | 851 | -17.4% |
| 3Q25 | 1,221 | +3.1% |
| 2Q25 | 1,130 | +1.5% |
| 1Q25 | 1,030 | -12.4% |
| 4Q24 | 1,043 | -11.8% |
| 3Q24 | 1,184 | -4.9% |
| 2Q24 | 1,113 | +3.0% |
| 1Q24 | 1,175 | +10.0% |
| 4Q23 | 1,183 | +2.9% |
| 3Q23 | 1,244 | -2.5% |
| 2Q23 | 1,081 | -6.3% |
| 1Q23 | 1,068 | -10.3% |
| 4Q22 | 1,150 | -10.9% |
| 3Q22 | 1,277 | -14.1% |
| 2Q22 | 1,153 | -10.2% |
| 1Q22 | 1,191 | +51.4% |
| 4Q21 | 1,290 | -26.0% |
| 3Q21 | 1,486 | -22.9% |
| 2Q21 | 1,285 | -30.2% |
| 1Q21 | 786 | -56.4% |
| 4Q20 | 1,744 | +12.9% |
| 3Q20 | 1,927 | +13.3% |
| 2Q20 | 1,842 | +26.0% |
| 1Q20 | 1,805 | +11.6% |
| 4Q19 | 1,544 | -4.8% |
| 3Q19 | 1,701 | -11.3% |
| 2Q19 | 1,462 | -8.7% |
| 1Q19 | 1,617 | +9.5% |
| 4Q18 | 1,621 | +24.7% |
| 3Q18 | 1,917 | +25.1% |
| 2Q18 | 1,602 | +11.8% |
| 1Q18 | 1,477 | +5.5% |
| 4Q17 | 1,300 | - |
| 3Q17 | 1,532 | - |
| 2Q17 | 1,433 | - |
| 1Q17 | 1,400 | - |