| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 49,124 | +0.9% |
| 3Q25 | 49,139 | +6.4% |
| 2Q25 | 46,714 | -1.1% |
| 1Q25 | 48,257 | +7.6% |
| 4Q24 | 48,697 | +6.0% |
| 3Q24 | 46,164 | +2.0% |
| 2Q24 | 47,216 | +7.5% |
| 1Q24 | 44,860 | +4.7% |
| 4Q23 | 45,962 | +0.7% |
| 3Q23 | 45,266 | -2.1% |
| 2Q23 | 43,902 | -2.5% |
| 1Q23 | 42,855 | +8.6% |
| 4Q22 | 45,635 | +17.9% |
| 3Q22 | 46,223 | +27.8% |
| 2Q22 | 45,008 | +25.7% |
| 1Q22 | 39,446 | +19.1% |
| 4Q21 | 38,703 | +18.6% |
| 3Q21 | 36,172 | +15.3% |
| 2Q21 | 35,797 | +19.3% |
| 1Q21 | 33,131 | +3.4% |
| 4Q20 | 32,635 | -2.9% |
| 3Q20 | 31,377 | -3.1% |
| 2Q20 | 30,010 | -9.4% |
| 1Q20 | 32,027 | -1.2% |
| 4Q19 | 33,596 | -2.1% |
| 3Q19 | 32,366 | +0.4% |
| 2Q19 | 33,127 | +4.1% |
| 1Q19 | 32,418 | +6.4% |
| 4Q18 | 34,305 | +8.3% |
| 3Q18 | 32,226 | +7.5% |
| 2Q18 | 31,829 | +7.9% |
| 1Q18 | 30,464 | +4.3% |
| 4Q17 | 31,678 | +9.8% |
| 3Q17 | 29,988 | +6.6% |
| 2Q17 | 29,486 | +3.5% |
| 1Q17 | 29,219 | +3.2% |
| 4Q16 | 28,842 | - |
| 3Q16 | 28,132 | -7.4% |
| 2Q16 | 28,476 | -1.3% |
| 1Q16 | 28,323 | -1.9% |
| 2Q15 | 30,367 | - |
| 1Q15 | 28,859 | - |