| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 24,303 | -11.7% |
| 1Q26 | 26,383 | -1.4% |
| 4Q25 | 27,028 | -11.0% |
| 3Q25 | 27,032 | -7.1% |
| 2Q25 | 27,517 | +5.2% |
| 1Q25 | 26,748 | +2.3% |
| 4Q24 | 30,360 | +23.4% |
| 3Q24 | 29,112 | +10.1% |
| 2Q24 | 26,164 | +13.2% |
| 1Q24 | 26,145 | +20.7% |
| 4Q23 | 24,594 | +8.9% |
| 3Q23 | 26,450 | +44.7% |
| 2Q23 | 23,120 | +21.5% |
| 1Q23 | 21,657 | +8.1% |
| 4Q22 | 22,576 | -2.4% |
| 3Q22 | 18,279 | -16.7% |
| 2Q22 | 19,025 | +35.9% |
| 1Q22 | 20,040 | +21.1% |
| 4Q21 | 23,133 | +0.5% |
| 3Q21 | 21,947 | -4.0% |
| 2Q21 | 14,001 | -40.9% |
| 1Q21 | 16,553 | -33.2% |
| 4Q20 | 23,020 | -11.6% |
| 3Q20 | 22,863 | -12.9% |
| 2Q20 | 23,672 | -8.0% |
| 1Q20 | 24,766 | +1.6% |
| 4Q19 | 26,051 | 0.0% |
| 3Q19 | 26,262 | +3.9% |
| 2Q19 | 25,737 | +0.9% |
| 1Q19 | 24,382 | -7.2% |
| 4Q18 | 26,040 | -14.7% |
| 3Q18 | 25,267 | -7.3% |
| 2Q18 | 25,513 | -9.5% |
| 1Q18 | 26,282 | -10.0% |
| 4Q17 | 30,526 | -5.1% |
| 3Q17 | 27,258 | -13.1% |
| 2Q17 | 28,202 | - |
| 1Q17 | 29,213 | - |
| 4Q16 | 32,156 | - |
| 3Q16 | 31,357 | - |