| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 26,291 | +4.8% |
| 3Q25 | 29,431 | +13.7% |
| 2Q25 | 31,234 | +1.0% |
| 1Q25 | 28,738 | +9.2% |
| 4Q24 | 25,079 | +4.7% |
| 3Q24 | 25,875 | -1.6% |
| 2Q24 | 30,920 | +7.4% |
| 1Q24 | 26,312 | +5.0% |
| 4Q23 | 23,949 | -11.6% |
| 3Q23 | 26,283 | -13.9% |
| 2Q23 | 28,801 | -12.5% |
| 1Q23 | 25,062 | -0.3% |
| 4Q22 | 27,088 | +21.4% |
| 3Q22 | 30,509 | +20.0% |
| 2Q22 | 32,928 | +20.5% |
| 1Q22 | 25,139 | -9.6% |
| 4Q21 | 22,322 | +9.0% |
| 3Q21 | 25,432 | +0.8% |
| 2Q21 | 27,326 | +5.9% |
| 1Q21 | 27,801 | +21.9% |
| 4Q20 | 20,486 | +25.1% |
| 3Q20 | 25,227 | +4.6% |
| 2Q20 | 25,809 | +4.2% |
| 1Q20 | 22,809 | +5.3% |
| 4Q19 | 16,380 | -9.2% |
| 3Q19 | 24,112 | +13.6% |
| 2Q19 | 24,774 | +1.6% |
| 1Q19 | 21,662 | +2.4% |
| 4Q18 | 18,034 | +32.0% |
| 3Q18 | 21,226 | -6.7% |
| 2Q18 | 24,377 | +12.4% |
| 1Q18 | 21,146 | -0.4% |
| 4Q17 | 13,662 | -13.1% |
| 2Q17 | 22,743 | - |
| 1Q17 | 21,684 | +2.1% |
| 3Q17 | 15,726 | -18.4% |
| 1Q17 | 21,231 | - |
| 4Q16 | 18,199 | - |
| 3Q16 | 19,262 | - |