| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 31,611 | +3.4% |
| 2Q26 | 29,009 | +0.7% |
| 1Q26 | 27,089 | -2.3% |
| 4Q25 | 26,221 | +2.6% |
| 3Q25 | 30,578 | -0.3% |
| 2Q25 | 28,799 | -3.8% |
| 1Q25 | 27,723 | -0.3% |
| 4Q24 | 25,550 | +1.7% |
| 3Q24 | 30,663 | +3.2% |
| 2Q24 | 29,949 | +0.7% |
| 1Q24 | 27,814 | +3.6% |
| 4Q23 | 25,118 | +4.8% |
| 3Q23 | 29,715 | -1.3% |
| 2Q23 | 29,738 | +8.4% |
| 1Q23 | 26,860 | -0.1% |
| 4Q22 | 23,964 | -1.4% |
| 3Q22 | 30,119 | +2.8% |
| 2Q22 | 27,438 | -6.2% |
| 1Q22 | 26,891 | -4.6% |
| 4Q21 | 24,305 | -3.2% |
| 3Q21 | 29,311 | +0.7% |
| 2Q21 | 29,238 | -2.8% |
| 1Q21 | 28,179 | +3.4% |
| 4Q20 | 25,096 | +0.3% |
| 3Q20 | 29,121 | -3.1% |
| 2Q20 | 30,083 | +6.6% |
| 1Q20 | 27,258 | +0.7% |
| 4Q19 | 25,011 | +1.4% |
| 3Q19 | 30,066 | -0.9% |
| 2Q19 | 28,219 | -2.0% |
| 1Q19 | 27,075 | -6.2% |
| 4Q18 | 24,672 | -4.2% |
| 3Q18 | 30,335 | -2.6% |
| 2Q18 | 28,798 | -1.5% |
| 1Q18 | 28,853 | +3.3% |
| 4Q17 | 25,752 | +0.4% |
| 3Q17 | 31,146 | -1.2% |
| 2Q17 | 29,233 | - |
| 1Q17 | 27,920 | - |
| 4Q16 | 25,649 | - |
| 3Q16 | 31,532 | - |