| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 404,829 | -11.6% |
| 2Q26 | 352,243 | -18.3% |
| 1Q26 | 401,448 | -13.7% |
| 4Q25 | 441,585 | +5.4% |
| 3Q25 | 457,695 | +38.4% |
| 2Q25 | 431,034 | +36.8% |
| 1Q25 | 465,117 | +42.0% |
| 4Q24 | 419,104 | +24.4% |
| 3Q24 | 330,691 | -10.8% |
| 2Q24 | 315,195 | -13.5% |
| 1Q24 | 327,507 | -13.2% |
| 4Q23 | 336,862 | -24.0% |
| 3Q23 | 370,713 | -8.5% |
| 2Q23 | 364,398 | -4.2% |
| 1Q23 | 377,189 | +0.9% |
| 4Q22 | 443,359 | +24.5% |
| 3Q22 | 405,215 | +30.9% |
| 2Q22 | 380,427 | +11.5% |
| 1Q22 | 373,957 | +22.2% |
| 4Q21 | 356,007 | +5.0% |
| 3Q21 | 309,606 | -6.4% |
| 2Q21 | 341,133 | +1.4% |
| 1Q21 | 306,025 | -4.1% |
| 4Q20 | 339,076 | -2.6% |
| 3Q20 | 330,777 | -10.9% |
| 2Q20 | 336,451 | -12.8% |
| 1Q20 | 319,134 | -12.5% |
| 4Q19 | 348,258 | -12.6% |
| 3Q19 | 371,160 | +1.7% |
| 2Q19 | 385,964 | +14.6% |
| 1Q19 | 364,529 | +30.2% |
| 4Q18 | 398,270 | +34.3% |
| 3Q18 | 364,857 | +20.8% |
| 2Q18 | 336,806 | +31.6% |
| 1Q18 | 279,944 | +12.1% |
| 4Q17 | 296,543 | -3.8% |
| 3Q17 | 302,151 | +2.6% |
| 2Q17 | 255,920 | -12.8% |
| 1Q17 | 249,788 | -19.0% |
| 4Q16 | 308,179 | - |
| 3Q16 | 294,452 | - |
| 2Q16 | 293,372 | - |
| 1Q16 | 308,319 | - |