| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 7,089 | -0.9% |
| 3Q25 | 7,191 | -7.0% |
| 2Q25 | 6,735 | -14.9% |
| 1Q25 | 6,549 | -8.2% |
| 4Q24 | 7,151 | -3.2% |
| 3Q24 | 7,733 | -2.3% |
| 2Q24 | 7,916 | +8.8% |
| 1Q24 | 7,136 | +6.5% |
| 4Q23 | 7,389 | -0.9% |
| 3Q23 | 7,911 | +1.3% |
| 2Q23 | 7,275 | 0.0% |
| 1Q23 | 6,698 | -4.4% |
| 4Q22 | 7,459 | +1.1% |
| 3Q22 | 7,807 | +2.9% |
| 2Q22 | 7,275 | -12.8% |
| 1Q22 | 7,007 | -12.4% |
| 4Q21 | 7,376 | -11.4% |
| 3Q21 | 7,584 | -14.8% |
| 2Q21 | 8,341 | +38.5% |
| 1Q21 | 8,000 | +16.9% |
| 4Q20 | 8,327 | +9.8% |
| 3Q20 | 8,904 | +13.1% |
| 2Q20 | 6,021 | -19.8% |
| 1Q20 | 6,844 | -5.8% |
| 4Q19 | 7,583 | -4.2% |
| 3Q19 | 7,876 | -6.5% |
| 2Q19 | 7,506 | -3.7% |
| 1Q19 | 7,267 | -1.7% |
| 4Q18 | 7,917 | +0.6% |
| 3Q18 | 8,420 | +5.7% |
| 2Q18 | 7,794 | +7.1% |
| 1Q18 | 7,394 | +6.4% |
| 4Q17 | 7,869 | +40.2% |
| 3Q17 | 7,965 | +26.1% |
| 2Q17 | 7,280 | +24.3% |
| 1Q17 | 6,946 | -48.2% |
| 4Q16 | 5,613 | - |
| 3Q16 | 6,314 | - |
| 2Q16 | 5,858 | - |
| 1Q16 | 13,402 | - |