| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 319,401 | -9.5% |
| 2Q26 | 311,990 | -12.9% |
| 1Q26 | 300,523 | -13.1% |
| 4Q25 | 344,402 | +5.7% |
| 3Q25 | 353,123 | +8.5% |
| 2Q25 | 358,158 | +12.7% |
| 1Q25 | 345,839 | +10.3% |
| 4Q24 | 325,780 | -5.7% |
| 3Q24 | 325,520 | +4.0% |
| 2Q24 | 317,721 | +1.6% |
| 1Q24 | 313,658 | +5.7% |
| 4Q23 | 345,302 | +2.6% |
| 3Q23 | 313,000 | +0.2% |
| 2Q23 | 312,601 | +11.8% |
| 1Q23 | 296,773 | +5.8% |
| 4Q22 | 336,509 | -5.1% |
| 3Q22 | 312,489 | -10.0% |
| 2Q22 | 279,643 | -12.5% |
| 1Q22 | 280,559 | +6.1% |
| 4Q21 | 354,547 | -5.1% |
| 3Q21 | 347,067 | -3.6% |
| 2Q21 | 319,619 | -25.3% |
| 1Q21 | 264,376 | -30.6% |
| 4Q20 | 373,528 | -15.0% |
| 3Q20 | 359,967 | -14.9% |
| 2Q20 | 427,814 | +2.4% |
| 1Q20 | 381,122 | -3.2% |
| 4Q19 | 439,652 | +2.0% |
| 3Q19 | 422,959 | +5.7% |
| 2Q19 | 417,926 | +8.1% |
| 1Q19 | 393,855 | +21.3% |
| 4Q18 | 430,843 | +8.7% |
| 3Q18 | 400,164 | +16.4% |
| 2Q18 | 386,733 | +9.6% |
| 1Q18 | 324,699 | +2.0% |
| 4Q17 | 396,243 | +6.3% |
| 3Q17 | 343,705 | -7.9% |
| 2Q17 | 352,784 | - |
| 1Q17 | 318,358 | - |
| 4Q16 | 372,649 | - |
| 3Q16 | 373,269 | - |