| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 28,267 | -0.6% |
| 2Q26 | 27,187 | -0.7% |
| 1Q26 | 27,044 | +1.8% |
| 4Q25 | 27,300 | +3.1% |
| 3Q25 | 28,448 | +4.5% |
| 2Q25 | 27,385 | +0.2% |
| 1Q25 | 26,553 | -5.2% |
| 4Q24 | 26,484 | -16.1% |
| 3Q24 | 27,222 | -13.4% |
| 2Q24 | 27,327 | -5.9% |
| 1Q24 | 28,024 | 0.0% |
| 4Q23 | 31,565 | +15.8% |
| 3Q23 | 31,437 | +15.0% |
| 2Q23 | 29,028 | +15.9% |
| 1Q23 | 28,024 | +16.1% |
| 4Q22 | 27,263 | +14.0% |
| 3Q22 | 27,343 | +17.7% |
| 2Q22 | 25,036 | +14.9% |
| 1Q22 | 24,133 | +11.0% |
| 4Q21 | 23,920 | +5.2% |
| 3Q21 | 23,237 | -1.4% |
| 2Q21 | 21,782 | -5.3% |
| 1Q21 | 21,743 | -4.8% |
| 4Q20 | 22,736 | 0.0% |
| 3Q20 | 23,560 | -0.8% |
| 2Q20 | 23,001 | +4.0% |
| 1Q20 | 22,848 | +3.3% |
| 4Q19 | 22,727 | +4.8% |
| 3Q19 | 23,746 | +6.1% |
| 2Q19 | 22,120 | +2.9% |
| 1Q19 | 22,109 | +2.5% |
| 4Q18 | 21,683 | +6.2% |
| 3Q18 | 22,388 | +5.7% |
| 2Q18 | 21,506 | +5.8% |
| 1Q18 | 21,577 | +5.5% |
| 4Q17 | 20,425 | -1.4% |
| 3Q17 | 21,186 | -1.7% |
| 2Q17 | 20,333 | - |
| 1Q17 | 20,460 | - |
| 4Q16 | 20,709 | - |
| 3Q16 | 21,554 | - |