| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 25,203 | +6.3% |
| 1Q26 | 22,555 | -3.3% |
| 4Q25 | 25,322 | +5.2% |
| 3Q25 | 24,290 | +1.8% |
| 2Q25 | 23,699 | -7.9% |
| 1Q25 | 23,328 | -6.7% |
| 4Q24 | 24,074 | -8.0% |
| 3Q24 | 23,857 | -8.3% |
| 2Q24 | 25,719 | +1.0% |
| 1Q24 | 24,993 | -0.2% |
| 4Q23 | 26,156 | -0.8% |
| 3Q23 | 26,027 | -2.6% |
| 2Q23 | 25,453 | -0.7% |
| 1Q23 | 25,042 | +0.6% |
| 4Q22 | 26,361 | -2.7% |
| 3Q22 | 26,718 | -14.1% |
| 2Q22 | 25,634 | -2.6% |
| 1Q22 | 24,900 | +1.7% |
| 4Q21 | 27,093 | -5.1% |
| 3Q21 | 31,095 | +3.5% |
| 2Q21 | 26,322 | -12.3% |
| 1Q21 | 24,482 | -15.9% |
| 4Q20 | 28,541 | -16.4% |
| 3Q20 | 30,054 | +1.0% |
| 2Q20 | 30,017 | +3.3% |
| 1Q20 | 29,098 | +10.1% |
| 4Q19 | 34,160 | +20.7% |
| 3Q19 | 29,749 | +1.8% |
| 2Q19 | 29,072 | -5.5% |
| 1Q19 | 26,436 | +3.4% |
| 4Q18 | 28,311 | +8.9% |
| 3Q18 | 29,224 | +8.1% |
| 2Q18 | 30,777 | +18.5% |
| 1Q18 | 25,558 | -1.2% |
| 4Q17 | 25,991 | -11.2% |
| 3Q17 | 27,031 | -15.6% |
| 2Q17 | 25,983 | - |
| 1Q17 | 25,866 | - |
| 4Q16 | 29,283 | - |
| 3Q16 | 32,017 | - |