| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 29,157 | +5.9% |
| 3Q25 | 31,887 | +3.5% |
| 2Q25 | 28,940 | +5.9% |
| 1Q25 | 31,959 | +6.3% |
| 4Q24 | 27,525 | +23.6% |
| 3Q24 | 30,802 | - |
| 2Q24 | 27,327 | +14.3% |
| 1Q24 | 30,066 | +6.8% |
| 4Q23 | 22,270 | -10.1% |
| 2Q23 | 23,914 | -3.6% |
| 1Q23 | 28,157 | +7.3% |
| 4Q22 | 24,783 | +5.1% |
| 3Q22 | 27,849 | +5.6% |
| 2Q22 | 24,809 | +0.5% |
| 1Q22 | 26,241 | +2.6% |
| 4Q21 | 23,577 | +48.5% |
| 3Q21 | 26,375 | -1.1% |
| 2Q21 | 24,686 | - |
| 1Q21 | 25,566 | +10.0% |
| 4Q20 | 15,876 | -13.1% |
| 3Q19 | 26,681 | +19.6% |
| 1Q20 | 23,247 | +6.4% |
| 4Q19 | 18,279 | -9.4% |
| 2Q19 | 21,321 | +0.7% |
| 1Q19 | 21,839 | +1.8% |
| 4Q18 | 20,180 | +1.2% |
| 3Q18 | 22,305 | +0.4% |
| 2Q18 | 21,165 | +2.8% |
| 1Q18 | 21,449 | -4.0% |
| 4Q17 | 19,942 | -2.7% |
| 3Q17 | 22,207 | -1.6% |
| 2Q17 | 20,583 | - |
| 1Q17 | 22,350 | - |
| 4Q16 | 20,500 | - |
| 3Q16 | 22,557 | - |