| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 15,398 | -0.8% |
| 1Q26 | 14,621 | -12.5% |
| 4Q25 | 15,775 | -5.3% |
| 3Q25 | 16,111 | +0.7% |
| 2Q25 | 15,524 | -2.6% |
| 1Q25 | 16,717 | +0.3% |
| 4Q24 | 16,654 | +1.5% |
| 3Q24 | 15,998 | -4.0% |
| 2Q24 | 15,932 | -2.3% |
| 1Q24 | 16,664 | +4.1% |
| 4Q23 | 16,414 | +5.5% |
| 3Q23 | 16,656 | +14.1% |
| 2Q23 | 16,301 | +9.5% |
| 1Q23 | 16,010 | +13.9% |
| 4Q22 | 15,556 | -12.9% |
| 3Q22 | 14,592 | -16.8% |
| 2Q22 | 14,885 | -7.1% |
| 1Q22 | 14,057 | -13.6% |
| 4Q21 | 17,852 | +6.3% |
| 3Q21 | 17,537 | +2.0% |
| 2Q21 | 16,031 | -8.9% |
| 1Q21 | 16,276 | -6.5% |
| 4Q20 | 16,791 | -4.0% |
| 3Q20 | 17,200 | -9.5% |
| 2Q20 | 17,604 | -3.3% |
| 1Q20 | 17,415 | +7.7% |
| 4Q19 | 17,498 | +1.7% |
| 3Q19 | 19,015 | +8.3% |
| 2Q19 | 18,212 | +8.1% |
| 1Q19 | 16,168 | -3.4% |
| 4Q18 | 17,211 | -0.7% |
| 3Q18 | 17,551 | +6.5% |
| 2Q18 | 16,844 | +6.7% |
| 1Q18 | 16,732 | +5.6% |
| 4Q17 | 17,341 | +6.0% |
| 3Q17 | 16,483 | +0.2% |
| 2Q17 | 15,784 | -8.5% |
| 1Q17 | 15,843 | -8.5% |
| 4Q16 | 16,367 | - |
| 3Q16 | 16,445 | - |
| 2Q16 | 17,250 | - |
| 1Q16 | 17,323 | - |