| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 23,129 | -3.7% |
| 2Q26 | 22,769 | -3.8% |
| 1Q26 | 21,631 | -4.4% |
| 4Q25 | 23,613 | +7.2% |
| 3Q25 | 24,022 | -2.0% |
| 2Q25 | 23,663 | +3.2% |
| 1Q25 | 22,636 | +4.3% |
| 4Q24 | 22,021 | -2.6% |
| 3Q24 | 24,503 | -4.3% |
| 2Q24 | 22,932 | -8.4% |
| 1Q24 | 21,708 | -2.6% |
| 4Q23 | 22,609 | -4.8% |
| 3Q23 | 25,600 | +11.9% |
| 2Q23 | 25,043 | +18.5% |
| 1Q23 | 22,293 | +17.8% |
| 4Q22 | 23,754 | +9.9% |
| 3Q22 | 22,884 | -3.3% |
| 2Q22 | 21,138 | -7.5% |
| 1Q22 | 18,924 | +8.0% |
| 4Q21 | 21,613 | -5.1% |
| 3Q21 | 23,673 | -5.4% |
| 2Q21 | 22,852 | -11.9% |
| 1Q21 | 17,528 | -26.3% |
| 4Q20 | 22,781 | -7.5% |
| 3Q20 | 25,029 | -6.0% |
| 2Q20 | 25,928 | +3.7% |
| 1Q20 | 23,790 | +1.1% |
| 4Q19 | 24,638 | -2.8% |
| 3Q19 | 26,637 | -1.5% |
| 2Q19 | 25,005 | -0.2% |
| 1Q19 | 23,532 | +2.0% |
| 4Q18 | 25,357 | -1.3% |
| 3Q18 | 27,053 | +5.5% |
| 2Q18 | 25,067 | +1.5% |
| 1Q18 | 23,071 | +0.1% |
| 4Q17 | 25,698 | +6.6% |
| 3Q17 | 25,637 | -5.9% |
| 2Q17 | 24,685 | -10.7% |
| 1Q17 | 23,057 | -7.3% |
| 4Q16 | 24,107 | - |
| 3Q16 | 27,254 | - |
| 2Q16 | 27,633 | - |
| 1Q16 | 24,865 | - |