| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q25 | 13,687 | -10.4% |
| 2Q25 | 15,007 | -10.9% |
| 1Q25 | 17,201 | +0.9% |
| 4Q24 | 20,286 | -2.8% |
| 3Q24 | 15,278 | -12.9% |
| 2Q24 | 16,849 | +4.3% |
| 1Q24 | 17,048 | +3.8% |
| 4Q23 | 20,873 | -5.8% |
| 3Q23 | 17,545 | -12.5% |
| 2Q23 | 16,147 | -30.4% |
| 1Q23 | 16,425 | -17.0% |
| 4Q22 | 22,150 | +9.8% |
| 3Q22 | 20,040 | +6.2% |
| 2Q22 | 23,211 | +29.2% |
| 1Q22 | 19,781 | +21.6% |
| 4Q21 | 20,176 | +9.8% |
| 3Q21 | 18,868 | +45.5% |
| 2Q21 | 17,966 | +63.2% |
| 1Q21 | 16,271 | +27.7% |
| 4Q20 | 18,374 | +1.3% |
| 3Q20 | 12,966 | -17.4% |
| 2Q20 | 11,008 | -40.2% |
| 1Q20 | 12,742 | -29.4% |
| 4Q19 | 18,140 | -13.9% |
| 3Q19 | 15,697 | -20.3% |
| 2Q19 | 18,406 | -2.6% |
| 1Q19 | 18,057 | -1.2% |
| 4Q18 | 21,058 | +2.1% |
| 3Q18 | 19,686 | +8.3% |
| 2Q18 | 18,901 | +10.7% |
| 1Q18 | 18,276 | +15.1% |
| 4Q17 | 20,622 | +24.9% |
| 3Q17 | 18,177 | +16.3% |
| 2Q17 | 17,071 | -4.8% |
| 1Q17 | 15,878 | -12.1% |
| 4Q16 | 16,511 | -21.9% |
| 3Q16 | 15,628 | - |
| 2Q16 | 17,933 | - |
| 1Q16 | 18,062 | - |
| 4Q15 | 21,148 | - |