| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 19,805 | +7.2% |
| 3Q25 | 16,813 | +5.0% |
| 2Q25 | 15,306 | -3.5% |
| 1Q25 | 19,533 | +3.4% |
| 4Q24 | 18,479 | +3.4% |
| 3Q24 | 16,011 | +0.7% |
| 2Q24 | 15,867 | +6.1% |
| 1Q24 | 18,894 | +9.3% |
| 4Q23 | 17,869 | +8.3% |
| 3Q23 | 15,892 | +9.5% |
| 2Q23 | 14,953 | +18.6% |
| 1Q23 | 17,282 | +5.0% |
| 4Q22 | 16,495 | -2.4% |
| 3Q22 | 14,513 | +24.4% |
| 2Q22 | 12,603 | -21.2% |
| 1Q22 | 16,455 | +80.2% |
| 4Q21 | 16,898 | +31.3% |
| 3Q21 | 11,663 | +6.6% |
| 2Q21 | 15,987 | +8.3% |
| 1Q21 | 9,130 | +8.9% |
| 4Q20 | 12,871 | +7.6% |
| 3Q20 | 10,944 | +11.1% |
| 2Q20 | 14,760 | -3.4% |
| 1Q20 | 8,380 | +1.9% |
| 4Q19 | 11,964 | +12.4% |
| 3Q19 | 9,853 | +2.1% |
| 2Q19 | 15,279 | +3.4% |
| 1Q19 | 8,225 | +3.3% |
| 4Q18 | 10,645 | +2.2% |
| 3Q18 | 9,655 | +6.9% |
| 2Q18 | 14,783 | +33.0% |
| 1Q18 | 7,966 | +46.5% |
| 4Q17 | 10,412 | +34.6% |
| 3Q17 | 9,030 | +34.5% |
| 2Q17 | 11,111 | +1.7% |
| 1Q17 | 5,439 | -3.0% |
| 4Q16 | 7,735 | +12.1% |
| 3Q16 | 6,715 | - |
| 2Q16 | 10,929 | - |
| 1Q16 | 5,610 | - |
| 4Q15 | 6,898 | - |