| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 35,061 | -7.4% |
| 1Q26 | 35,373 | -1.5% |
| 4Q25 | 36,406 | +0.7% |
| 3Q25 | 35,298 | -10.4% |
| 2Q25 | 37,852 | +2.1% |
| 1Q25 | 35,904 | -5.4% |
| 4Q24 | 36,136 | -3.9% |
| 3Q24 | 39,374 | +3.6% |
| 2Q24 | 37,078 | +9.4% |
| 1Q24 | 37,935 | +22.8% |
| 4Q23 | 37,591 | +22.1% |
| 3Q23 | 38,005 | +28.6% |
| 2Q23 | 33,895 | +20.6% |
| 1Q23 | 30,891 | +3.9% |
| 4Q22 | 30,784 | -3.9% |
| 3Q22 | 29,547 | -8.9% |
| 2Q22 | 28,096 | +17.6% |
| 1Q22 | 29,735 | -9.8% |
| 4Q21 | 32,031 | -18.9% |
| 3Q21 | 32,443 | -22.2% |
| 2Q21 | 23,895 | -46.9% |
| 1Q21 | 32,961 | -29.2% |
| 4Q20 | 39,478 | -26.8% |
| 3Q20 | 41,690 | -23.6% |
| 2Q20 | 44,981 | -21.0% |
| 1Q20 | 46,581 | -17.2% |
| 4Q19 | 53,917 | -6.2% |
| 3Q19 | 54,563 | -4.0% |
| 2Q19 | 56,903 | -2.6% |
| 1Q19 | 56,232 | -10.2% |
| 4Q18 | 57,489 | -5.7% |
| 3Q18 | 56,843 | -0.7% |
| 2Q18 | 58,446 | -1.3% |
| 1Q18 | 62,603 | +0.8% |
| 4Q17 | 60,981 | -7.2% |
| 3Q17 | 57,218 | -14.5% |
| 2Q17 | 59,207 | - |
| 1Q17 | 62,129 | - |
| 4Q16 | 65,718 | - |
| 3Q16 | 66,896 | - |