| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 19,933 | -6.4% |
| 2Q26 | 19,899 | +4.8% |
| 1Q26 | 18,376 | -13.0% |
| 4Q25 | 20,072 | -2.9% |
| 3Q25 | 21,299 | +1.4% |
| 2Q25 | 18,989 | -0.6% |
| 1Q25 | 21,111 | +23.9% |
| 4Q24 | 20,678 | +23.1% |
| 3Q24 | 21,010 | +10.5% |
| 2Q24 | 19,100 | +1.8% |
| 1Q24 | 17,041 | +8.6% |
| 4Q23 | 16,795 | +8.3% |
| 3Q23 | 19,005 | +13.7% |
| 2Q23 | 18,755 | +8.2% |
| 1Q23 | 15,694 | -2.9% |
| 4Q22 | 15,504 | -14.7% |
| 3Q22 | 16,717 | -10.8% |
| 2Q22 | 17,334 | -6.7% |
| 1Q22 | 16,170 | -6.5% |
| 4Q21 | 18,180 | -6.6% |
| 3Q21 | 18,746 | -9.9% |
| 2Q21 | 18,570 | -10.2% |
| 1Q21 | 17,290 | -10.6% |
| 4Q20 | 19,460 | -4.3% |
| 3Q20 | 20,795 | -5.0% |
| 2Q20 | 20,687 | -0.6% |
| 1Q20 | 19,349 | +6.0% |
| 4Q19 | 20,343 | +5.3% |
| 3Q19 | 21,888 | +9.9% |
| 2Q19 | 20,814 | +3.5% |
| 1Q19 | 18,256 | +1.7% |
| 4Q18 | 19,314 | -7.3% |
| 3Q18 | 19,918 | +2.3% |
| 2Q18 | 20,114 | +3.5% |
| 1Q18 | 17,952 | +4.1% |
| 4Q17 | 20,844 | +2.6% |
| 3Q17 | 19,461 | -8.3% |
| 2Q17 | 19,428 | - |
| 1Q17 | 17,245 | - |
| 4Q16 | 20,319 | - |
| 3Q16 | 21,230 | - |