| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 32,076 | -0.1% |
| 2Q26 | 29,136 | -4.2% |
| 1Q26 | 28,960 | -2.3% |
| 4Q25 | 30,754 | -1.8% |
| 3Q25 | 32,099 | +7.7% |
| 2Q25 | 30,412 | +19.0% |
| 1Q25 | 29,654 | +16.7% |
| 4Q24 | 31,309 | +4.9% |
| 3Q24 | 29,807 | +20.0% |
| 2Q24 | 25,561 | -6.8% |
| 1Q24 | 25,406 | -5.7% |
| 4Q23 | 29,852 | +1.9% |
| 3Q23 | 24,831 | +43.3% |
| 2Q23 | 27,437 | +78.2% |
| 1Q23 | 26,949 | +5.6% |
| 4Q22 | 29,301 | +12.2% |
| 3Q22 | 17,329 | -31.6% |
| 2Q22 | 15,400 | -40.5% |
| 1Q22 | 25,528 | -2.4% |
| 4Q21 | 26,104 | -9.1% |
| 3Q21 | 25,353 | -13.4% |
| 2Q21 | 25,868 | -11.7% |
| 1Q21 | 26,168 | -23.5% |
| 4Q20 | 28,713 | -18.2% |
| 3Q20 | 29,265 | -4.5% |
| 2Q20 | 29,283 | -3.5% |
| 1Q20 | 34,187 | +35.7% |
| 4Q19 | 35,087 | -26.9% |
| 3Q19 | 30,647 | +4.5% |
| 2Q19 | 30,342 | -4.2% |
| 1Q19 | 25,188 | -31.9% |
| 4Q18 | 48,010 | +26.9% |
| 3Q18 | 29,314 | +3.4% |
| 2Q18 | 31,657 | +0.4% |
| 1Q18 | 37,002 | -8.6% |
| 4Q17 | 37,823 | +15.5% |
| 3Q17 | 28,342 | -21.9% |
| 2Q17 | 31,541 | - |
| 1Q17 | 40,466 | - |
| 4Q16 | 32,753 | - |
| 3Q16 | 36,307 | - |