| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 22,493 | -1.5% |
| 3Q25 | 22,424 | +15.9% |
| 2Q25 | 21,017 | +4.2% |
| 1Q25 | 19,521 | +8.7% |
| 4Q24 | 22,842 | +29.4% |
| 3Q24 | 19,346 | +5.8% |
| 2Q24 | 20,161 | +2.8% |
| 1Q24 | 17,964 | -11.4% |
| 4Q23 | 17,655 | -9.2% |
| 3Q23 | 18,286 | -6.4% |
| 2Q23 | 19,618 | -3.1% |
| 1Q23 | 20,285 | +22.5% |
| 4Q22 | 19,454 | +15.7% |
| 3Q22 | 19,526 | +18.6% |
| 2Q22 | 20,254 | +32.8% |
| 1Q22 | 16,561 | +6.7% |
| 4Q21 | 16,817 | +10.0% |
| 3Q21 | 16,470 | +13.7% |
| 2Q21 | 15,251 | +15.7% |
| 1Q21 | 15,523 | +4.9% |
| 4Q20 | 15,288 | -11.8% |
| 3Q20 | 14,489 | -20.6% |
| 2Q20 | 13,185 | -25.7% |
| 1Q20 | 14,791 | -12.7% |
| 4Q19 | 17,342 | -4.9% |
| 3Q19 | 18,257 | +6.2% |
| 2Q19 | 17,752 | -4.8% |
| 1Q19 | 16,940 | +4.1% |
| 4Q18 | 18,239 | +7.7% |
| 3Q18 | 17,186 | +10.7% |
| 2Q18 | 18,642 | +23.9% |
| 1Q18 | 16,278 | +7.0% |
| 4Q17 | 16,937 | +0.4% |
| 3Q17 | 15,531 | -5.3% |
| 2Q17 | 15,050 | -5.2% |
| 1Q17 | 15,214 | -1.6% |
| 4Q16 | 16,871 | +6.2% |
| 3Q16 | 16,403 | - |
| 2Q16 | 15,874 | - |
| 1Q16 | 15,462 | - |
| 4Q15 | 15,879 | - |