| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 10,389 | -16.1% |
| 3Q25 | 12,039 | +3.8% |
| 2Q25 | 12,595 | +0.4% |
| 1Q25 | 13,067 | +1.7% |
| 4Q24 | 12,385 | -7.8% |
| 3Q24 | 11,596 | -1.3% |
| 2Q24 | 12,545 | +2.5% |
| 1Q24 | 12,851 | +2.6% |
| 4Q23 | 13,436 | +4.7% |
| 3Q23 | 11,754 | +2.6% |
| 2Q23 | 12,239 | +1.6% |
| 1Q23 | 12,525 | +4.7% |
| 4Q22 | 12,828 | -1.6% |
| 3Q22 | 11,458 | -9.3% |
| 2Q22 | 12,050 | -19.5% |
| 1Q22 | 11,958 | +10.1% |
| 4Q21 | 13,036 | -12.3% |
| 3Q21 | 12,636 | -12.1% |
| 2Q21 | 14,977 | -8.7% |
| 1Q21 | 10,863 | -32.6% |
| 4Q20 | 14,870 | -6.0% |
| 3Q20 | 14,368 | -0.5% |
| 2Q20 | 16,404 | +8.4% |
| 1Q20 | 16,115 | -0.2% |
| 4Q19 | 15,818 | +2.5% |
| 3Q19 | 14,439 | -4.5% |
| 2Q19 | 15,133 | -6.3% |
| 1Q19 | 16,146 | -6.4% |
| 4Q18 | 15,426 | -7.0% |
| 3Q18 | 15,121 | -9.8% |
| 2Q18 | 16,151 | -9.0% |
| 1Q18 | 17,258 | -11.4% |
| 4Q17 | 16,579 | -12.4% |
| 3Q17 | 16,762 | -7.1% |
| 2Q17 | 17,752 | - |
| 1Q17 | 19,468 | - |
| 4Q16 | 18,936 | - |
| 3Q16 | 18,041 | - |