| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 10,264 | +13.0% |
| 3Q25 | 10,218 | +5.4% |
| 2Q25 | 10,317 | +7.9% |
| 1Q25 | 9,729 | +3.8% |
| 4Q24 | 9,080 | +3.1% |
| 3Q24 | 9,698 | +3.0% |
| 2Q24 | 9,565 | +3.0% |
| 1Q24 | 9,370 | +2.5% |
| 4Q23 | 8,806 | +3.1% |
| 3Q23 | 9,414 | +11.9% |
| 2Q23 | 9,282 | +9.8% |
| 1Q23 | 9,144 | +11.7% |
| 4Q22 | 8,543 | +8.1% |
| 3Q22 | 8,415 | +6.2% |
| 2Q22 | 8,451 | +14.7% |
| 1Q22 | 8,187 | +14.6% |
| 4Q21 | 7,899 | +11.1% |
| 3Q21 | 7,925 | +10.2% |
| 2Q21 | 7,368 | +1.1% |
| 1Q21 | 7,146 | -1.6% |
| 4Q20 | 7,113 | +3.8% |
| 3Q20 | 7,188 | -2.7% |
| 2Q20 | 7,289 | +0.9% |
| 1Q20 | 7,260 | +1.1% |
| 4Q19 | 6,855 | -1.4% |
| 3Q19 | 7,390 | +1.3% |
| 2Q19 | 7,226 | +3.7% |
| 1Q19 | 7,184 | +4.8% |
| 4Q18 | 6,953 | -0.0% |
| 3Q18 | 7,296 | +7.5% |
| 2Q18 | 6,970 | +8.7% |
| 1Q18 | 6,858 | +3.0% |
| 4Q17 | 6,955 | - |
| 3Q17 | 6,786 | - |
| 2Q17 | 6,413 | - |
| 1Q17 | 6,656 | - |