| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 1,103 | +4.7% |
| 3Q25 | 1,073 | +9.3% |
| 2Q25 | 1,059 | +9.2% |
| 1Q25 | 1,005 | +7.0% |
| 4Q24 | 1,054 | +3.0% |
| 3Q24 | 981 | -1.8% |
| 2Q24 | 970 | -4.4% |
| 1Q24 | 939 | -6.5% |
| 4Q23 | 1,023 | -4.1% |
| 3Q23 | 999 | -1.4% |
| 2Q23 | 1,014 | -1.4% |
| 1Q23 | 1,005 | -0.0% |
| 4Q22 | 1,067 | +3.3% |
| 3Q22 | 1,013 | +2.0% |
| 2Q22 | 1,029 | +5.0% |
| 1Q22 | 1,005 | +11.0% |
| 4Q21 | 1,033 | +14.0% |
| 3Q21 | 993 | +12.2% |
| 2Q21 | 980 | +19.5% |
| 1Q21 | 905 | +20.7% |
| 4Q20 | 906 | +18.0% |
| 3Q20 | 885 | +25.6% |
| 2Q20 | 820 | +18.3% |
| 1Q20 | 750 | +19.8% |
| 4Q19 | 768 | +25.8% |
| 3Q19 | 705 | +26.7% |
| 2Q19 | 693 | - |
| 1Q19 | 626 | +68.5% |
| 4Q18 | 610 | +56.2% |
| 3Q18 | 556 | +43.8% |
| 1Q18 | 371 | +5.0% |
| 4Q17 | 390 | +21.1% |
| 3Q17 | 387 | +32.9% |
| 2Q17 | 361 | +27.6% |
| 1Q17 | 353 | +24.2% |
| 4Q16 | 322 | +6.9% |
| 3Q16 | 291 | - |
| 2Q16 | 283 | - |
| 1Q16 | 284 | - |
| 4Q15 | 301 | - |