| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 48,419 | +4.1% |
| 3Q25 | 49,690 | +0.3% |
| 2Q25 | 49,563 | -2.3% |
| 1Q25 | 49,623 | +0.7% |
| 4Q24 | 46,499 | -3.4% |
| 3Q24 | 49,517 | +2.9% |
| 2Q24 | 50,707 | +0.9% |
| 1Q24 | 49,257 | 0.0% |
| 4Q23 | 48,144 | -33.2% |
| 3Q23 | 48,111 | -12.7% |
| 2Q23 | 50,271 | -3.0% |
| 1Q23 | 49,248 | +0.5% |
| 4Q22 | 72,027 | -263.5% |
| 3Q22 | 55,134 | +188.0% |
| 2Q22 | 51,820 | -653.9% |
| 1Q22 | 49,013 | +150.3% |
| 4Q21 | -44,050 | -367.2% |
| 3Q21 | 19,144 | +7.9% |
| 2Q21 | -9,356 | -153.5% |
| 1Q21 | 19,583 | +14.9% |
| 4Q20 | 16,488 | -0.9% |
| 3Q20 | 17,737 | +3.0% |
| 2Q20 | 17,497 | -0.3% |
| 1Q20 | 17,047 | +0.8% |
| 4Q19 | 16,637 | +5.8% |
| 3Q19 | 17,222 | +5.5% |
| 2Q19 | 17,545 | +2.2% |
| 1Q19 | 16,908 | +2.2% |
| 4Q18 | 15,723 | +1.4% |
| 3Q18 | 16,327 | +1.7% |
| 2Q18 | 17,168 | +0.5% |
| 1Q18 | 16,536 | +1.1% |
| 4Q17 | 15,512 | +1.6% |
| 3Q17 | 16,056 | +0.2% |
| 2Q17 | 17,080 | - |
| 1Q17 | 16,351 | - |
| 4Q16 | 15,269 | - |
| 3Q16 | 16,017 | - |