| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 1,324 | +3.7% |
| 3Q25 | 1,237 | +2.5% |
| 2Q25 | 1,203 | -0.7% |
| 1Q25 | 1,157 | -1.1% |
| 4Q24 | 1,277 | -5.4% |
| 3Q24 | 1,207 | -6.0% |
| 2Q24 | 1,212 | -3.7% |
| 1Q24 | 1,170 | +1.7% |
| 4Q23 | 1,349 | +4.5% |
| 3Q23 | 1,284 | +13.4% |
| 2Q23 | 1,258 | +13.3% |
| 1Q23 | 1,151 | +13.4% |
| 4Q22 | 1,291 | +11.7% |
| 3Q22 | 1,132 | +5.8% |
| 2Q22 | 1,110 | +1.5% |
| 1Q22 | 1,015 | +5.2% |
| 4Q21 | 1,156 | +7.6% |
| 3Q21 | 1,070 | +11.1% |
| 2Q21 | 1,094 | +8.5% |
| 1Q21 | 965 | -6.4% |
| 4Q20 | 1,074 | -15.2% |
| 3Q20 | 963 | -16.7% |
| 2Q20 | 1,008 | -11.6% |
| 1Q20 | 1,031 | -4.3% |
| 4Q19 | 1,267 | -0.5% |
| 3Q19 | 1,156 | +3.1% |
| 2Q19 | 1,140 | +1.2% |
| 1Q19 | 1,076 | +1.8% |
| 4Q18 | 1,274 | +1.6% |
| 3Q18 | 1,120 | -1.1% |
| 2Q18 | 1,127 | -3.6% |
| 1Q18 | 1,057 | -3.8% |
| 4Q17 | 1,253 | -4.3% |
| 3Q17 | 1,133 | -2.6% |
| 2Q17 | 1,170 | -1.3% |
| 1Q17 | 1,098 | -7.3% |
| 4Q16 | 1,310 | -2.4% |
| 3Q16 | 1,162 | - |
| 2Q16 | 1,184 | - |
| 1Q16 | 1,185 | - |
| 4Q15 | 1,342 | - |