| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 35,809 | -4.9% |
| 2Q26 | 34,643 | -6.0% |
| 1Q26 | 36,218 | +3.9% |
| 4Q25 | 36,804 | +8.5% |
| 3Q25 | 37,673 | +1.4% |
| 2Q25 | 36,845 | +7.0% |
| 1Q25 | 34,864 | +5.5% |
| 4Q24 | 33,910 | -6.5% |
| 3Q24 | 37,157 | +2.7% |
| 2Q24 | 34,437 | +12.5% |
| 1Q24 | 33,046 | +14.4% |
| 4Q23 | 36,276 | +20.2% |
| 3Q23 | 36,183 | +29.3% |
| 2Q23 | 30,618 | +27.8% |
| 1Q23 | 28,878 | +7.8% |
| 4Q22 | 30,185 | -23.3% |
| 3Q22 | 27,994 | -27.4% |
| 2Q22 | 23,957 | -25.3% |
| 1Q22 | 26,798 | +0.2% |
| 4Q21 | 39,355 | -2.5% |
| 3Q21 | 38,540 | -1.2% |
| 2Q21 | 32,055 | -20.7% |
| 1Q21 | 26,740 | -39.2% |
| 4Q20 | 40,364 | -8.2% |
| 3Q20 | 38,996 | -8.7% |
| 2Q20 | 40,417 | +14.7% |
| 1Q20 | 44,003 | +13.3% |
| 4Q19 | 43,968 | +12.1% |
| 3Q19 | 42,703 | +13.8% |
| 2Q19 | 35,234 | +3.9% |
| 1Q19 | 38,833 | +10.9% |
| 4Q18 | 39,230 | +7.8% |
| 3Q18 | 37,536 | +11.4% |
| 2Q18 | 33,922 | +5.4% |
| 1Q18 | 35,003 | +12.4% |
| 4Q17 | 36,383 | +3.8% |
| 3Q17 | 33,684 | 0.0% |
| 2Q17 | 32,196 | - |
| 1Q17 | 31,141 | - |
| 4Q16 | 35,041 | - |
| 3Q16 | 33,677 | - |