| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 19,086 | +0.9% |
| 3Q25 | 19,623 | +5.9% |
| 2Q25 | 18,091 | +1.0% |
| 1Q25 | 18,918 | +3.6% |
| 4Q24 | 17,262 | +3.6% |
| 3Q24 | 18,526 | +7.8% |
| 2Q24 | 17,911 | +11.4% |
| 1Q24 | 18,263 | +11.9% |
| 4Q23 | 16,657 | +10.1% |
| 3Q23 | 17,182 | +9.5% |
| 2Q23 | 16,078 | +3.0% |
| 1Q23 | 16,327 | -0.7% |
| 4Q22 | 15,131 | +2.7% |
| 3Q22 | 15,686 | -0.1% |
| 2Q22 | 15,606 | -0.7% |
| 1Q22 | 16,439 | -1.0% |
| 4Q21 | 14,740 | -9.1% |
| 3Q21 | 15,697 | -8.0% |
| 2Q21 | 15,709 | -7.7% |
| 1Q21 | 16,611 | -4.5% |
| 4Q20 | 16,208 | +1.9% |
| 3Q20 | 17,065 | +2.8% |
| 2Q20 | 17,023 | +10.4% |
| 1Q20 | 17,402 | +7.6% |
| 4Q19 | 15,904 | +7.7% |
| 3Q19 | 16,602 | +8.5% |
| 2Q19 | 15,425 | +5.8% |
| 1Q19 | 16,175 | +7.4% |
| 4Q18 | 14,771 | +13.2% |
| 3Q18 | 15,301 | +7.4% |
| 2Q18 | 14,577 | - |
| 1Q18 | 15,066 | - |
| 4Q17 | 13,046 | - |
| 3Q17 | 14,246 | - |