| （単位：千円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 587,814 | -6.8% |
| 3Q25 | 566,790 | -8.5% |
| 2Q25 | 572,411 | -2.9% |
| 1Q25 | 648,639 | +14.8% |
| 4Q24 | 630,478 | +11.3% |
| 3Q24 | 619,541 | +12.6% |
| 2Q24 | 589,775 | +9.0% |
| 1Q24 | 564,794 | +11.6% |
| 4Q23 | 566,460 | +10.1% |
| 3Q23 | 550,049 | +6.8% |
| 2Q23 | 541,284 | +5.0% |
| 1Q23 | 506,068 | +4.6% |
| 4Q22 | 514,334 | -8.3% |
| 3Q22 | 515,261 | +0.3% |
| 2Q22 | 515,646 | +3.3% |
| 1Q22 | 483,687 | +1.9% |
| 4Q21 | 560,684 | +24.1% |
| 3Q21 | 513,968 | +5.8% |
| 2Q21 | 499,266 | +5.1% |
| 1Q21 | 474,560 | -2.7% |
| 4Q20 | 451,749 | -0.6% |
| 3Q20 | 485,917 | +15.1% |
| 2Q20 | 474,825 | +5.7% |
| 1Q20 | 487,553 | +7.2% |
| 4Q19 | 454,268 | -3.2% |
| 3Q19 | 422,015 | -8.7% |
| 2Q19 | 449,138 | -5.4% |
| 1Q19 | 454,618 | +2.3% |
| 4Q18 | 469,143 | -1.3% |
| 3Q18 | 462,186 | +0.2% |
| 2Q18 | 474,806 | +11.5% |
| 1Q18 | 444,586 | -2.4% |
| 4Q17 | 475,210 | -5.2% |
| 3Q17 | 461,260 | - |
| 2Q17 | 425,938 | - |
| 1Q17 | 455,499 | - |
| 4Q16 | 501,378 | - |