| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 30,122 | +5.1% |
| 3Q25 | 28,950 | +4.8% |
| 2Q25 | 28,459 | +7.0% |
| 1Q25 | 28,364 | -0.1% |
| 4Q24 | 28,654 | +15.5% |
| 3Q24 | 27,611 | +4.6% |
| 2Q24 | 26,595 | -1.9% |
| 1Q24 | 28,404 | +4.5% |
| 4Q23 | 24,809 | -4.3% |
| 3Q23 | 26,403 | +8.2% |
| 2Q23 | 27,120 | +14.5% |
| 1Q23 | 27,180 | +24.7% |
| 4Q22 | 25,936 | -9.6% |
| 3Q22 | 24,405 | -11.3% |
| 2Q22 | 23,680 | -15.8% |
| 1Q22 | 21,788 | -23.0% |
| 4Q21 | 28,683 | +5.4% |
| 3Q21 | 27,526 | +7.1% |
| 2Q21 | 28,112 | +9.6% |
| 1Q21 | 28,309 | +7.6% |
| 4Q20 | 27,218 | +6.7% |
| 3Q20 | 25,694 | +3.7% |
| 2Q20 | 25,650 | -0.2% |
| 1Q20 | 26,321 | +8.0% |
| 4Q19 | 25,520 | -0.7% |
| 3Q19 | 24,770 | +5.0% |
| 2Q19 | 25,707 | +7.5% |
| 1Q19 | 24,381 | +12.4% |
| 4Q18 | 25,695 | +25.2% |
| 3Q18 | 23,595 | +23.4% |
| 2Q18 | 23,908 | +20.0% |
| 1Q18 | 21,698 | +15.6% |
| 4Q17 | 20,526 | +17.0% |
| 3Q17 | 19,118 | +14.4% |
| 2Q17 | 19,930 | +26.2% |
| 1Q17 | 18,762 | +12.2% |
| 4Q16 | 17,546 | +12.7% |
| 3Q16 | 16,717 | - |
| 2Q16 | 15,795 | - |
| 1Q16 | 16,720 | - |
| 4Q15 | 15,568 | - |