| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 17,209 | +5.3% |
| 3Q25 | 15,689 | +5.5% |
| 2Q25 | 16,148 | +8.2% |
| 1Q25 | 14,932 | +6.1% |
| 4Q24 | 16,338 | +7.5% |
| 3Q24 | 14,869 | +7.7% |
| 2Q24 | 14,925 | +11.3% |
| 1Q24 | 14,078 | +13.8% |
| 4Q23 | 15,199 | +14.5% |
| 3Q23 | 13,810 | +25.7% |
| 2Q23 | 13,415 | +19.7% |
| 1Q23 | 12,376 | +30.1% |
| 4Q22 | 13,273 | +19.7% |
| 3Q22 | 10,983 | +9.1% |
| 2Q22 | 11,205 | +8.1% |
| 1Q22 | 9,515 | -5.9% |
| 4Q21 | 11,093 | -9.1% |
| 3Q21 | 10,066 | -7.2% |
| 2Q21 | 10,361 | +45.1% |
| 1Q21 | 10,111 | -27.3% |
| 4Q20 | 12,200 | -27.3% |
| 3Q20 | 10,845 | -31.7% |
| 2Q20 | 7,142 | -55.7% |
| 1Q20 | 13,904 | -9.9% |
| 4Q19 | 16,781 | +0.1% |
| 3Q19 | 15,881 | +2.8% |
| 2Q19 | 16,133 | +0.4% |
| 1Q19 | 15,431 | +1.2% |
| 4Q18 | 16,772 | -0.8% |
| 3Q18 | 15,448 | -1.8% |
| 2Q18 | 16,072 | -0.7% |
| 1Q18 | 15,248 | +0.6% |
| 4Q17 | 16,905 | +2.8% |
| 3Q17 | 15,725 | -0.4% |
| 2Q17 | 16,182 | +2.8% |
| 1Q17 | 15,161 | +3.7% |
| 4Q16 | 16,441 | +2.8% |
| 3Q16 | 15,787 | - |
| 2Q16 | 15,738 | - |
| 1Q16 | 14,627 | - |
| 4Q15 | 15,987 | - |