| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 31,479 | +8.3% |
| 2Q26 | 30,660 | +6.5% |
| 1Q26 | 29,585 | +1.7% |
| 4Q25 | 29,046 | +7.8% |
| 3Q25 | 29,074 | +4.3% |
| 2Q25 | 28,791 | +7.3% |
| 1Q25 | 29,088 | +17.5% |
| 4Q24 | 26,950 | +10.9% |
| 3Q24 | 27,879 | +4.9% |
| 2Q24 | 26,827 | +0.3% |
| 1Q24 | 24,754 | -5.0% |
| 4Q23 | 24,301 | -6.3% |
| 3Q23 | 26,566 | +3.0% |
| 2Q23 | 26,734 | +13.0% |
| 1Q23 | 26,052 | +9.6% |
| 4Q22 | 25,933 | +11.3% |
| 3Q22 | 25,782 | +16.9% |
| 2Q22 | 23,658 | +3.5% |
| 1Q22 | 23,765 | +6.2% |
| 4Q21 | 23,306 | +8.9% |
| 3Q21 | 22,060 | -3.0% |
| 2Q21 | 22,848 | -1.2% |
| 1Q21 | 22,375 | +1.2% |
| 4Q20 | 21,394 | -3.7% |
| 3Q20 | 22,749 | -3.7% |
| 2Q20 | 23,120 | +8.7% |
| 1Q20 | 22,109 | +4.1% |
| 4Q19 | 22,225 | +8.6% |
| 3Q19 | 23,611 | +9.5% |
| 2Q19 | 21,272 | -0.3% |
| 1Q19 | 21,231 | +0.6% |
| 4Q18 | 20,471 | +0.2% |
| 3Q18 | 21,564 | +6.1% |
| 2Q18 | 21,336 | +11.7% |
| 1Q18 | 21,111 | +20.8% |
| 4Q17 | 20,435 | +7.0% |
| 3Q17 | 20,319 | +6.8% |
| 2Q17 | 19,093 | - |
| 1Q17 | 17,477 | - |
| 4Q16 | 19,090 | - |
| 3Q16 | 19,028 | - |