| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 26,296 | +9.1% |
| 1Q26 | 24,190 | -3.7% |
| 4Q25 | 28,639 | +10.5% |
| 3Q25 | 26,752 | +6.0% |
| 2Q25 | 24,111 | -2.3% |
| 1Q25 | 25,127 | -12.2% |
| 4Q24 | 25,924 | -8.4% |
| 3Q24 | 25,229 | +2.0% |
| 2Q24 | 24,682 | -12.7% |
| 1Q24 | 28,617 | +32.7% |
| 4Q23 | 28,308 | +42.9% |
| 3Q23 | 24,746 | +43.8% |
| 2Q23 | 28,287 | +53.7% |
| 1Q23 | 21,565 | +42.6% |
| 4Q22 | 19,815 | -5.7% |
| 3Q22 | 17,209 | -9.2% |
| 2Q22 | 18,404 | +20.3% |
| 1Q22 | 15,122 | +21.2% |
| 4Q21 | 21,018 | -7.3% |
| 3Q21 | 18,959 | -3.3% |
| 2Q21 | 15,293 | -45.7% |
| 1Q21 | 12,482 | -36.6% |
| 4Q20 | 22,681 | -6.8% |
| 3Q20 | 19,606 | -10.4% |
| 2Q20 | 28,153 | +39.8% |
| 1Q20 | 19,678 | +0.3% |
| 4Q19 | 24,332 | +16.4% |
| 3Q19 | 21,888 | +18.6% |
| 2Q19 | 20,141 | -5.9% |
| 1Q19 | 19,613 | +3.7% |
| 4Q18 | 20,897 | -5.6% |
| 3Q18 | 18,459 | -10.5% |
| 2Q18 | 21,414 | -2.8% |
| 1Q18 | 18,921 | +1.3% |
| 4Q17 | 22,146 | +11.6% |
| 3Q17 | 20,633 | -6.1% |
| 2Q17 | 22,033 | - |
| 1Q17 | 18,687 | - |
| 4Q16 | 19,848 | - |
| 3Q16 | 21,967 | - |