| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 28,961 | -11.0% |
| 1Q26 | 30,465 | -4.8% |
| 4Q25 | 24,427 | -5.3% |
| 3Q25 | 30,779 | -16.2% |
| 2Q25 | 32,537 | - |
| 1Q25 | 31,997 | -6.7% |
| 4Q24 | 25,803 | -9.0% |
| 3Q24 | 36,725 | +1.4% |
| 1Q24 | 34,298 | -2.1% |
| 4Q23 | 28,340 | -6.8% |
| 3Q23 | 36,228 | - |
| 2Q23 | 33,090 | - |
| 1Q23 | 35,026 | -4.5% |
| 4Q22 | 30,395 | -3.5% |
| 1Q22 | 36,672 | -13.8% |
| 4Q21 | 31,512 | +1.4% |
| 3Q21 | 39,531 | +6.6% |
| 2Q21 | 40,266 | +14.0% |
| 1Q21 | 42,542 | +8.7% |
| 4Q20 | 31,091 | -6.0% |
| 3Q20 | 37,085 | -8.3% |
| 2Q20 | 35,329 | -7.7% |
| 1Q20 | 39,147 | -1.7% |
| 4Q19 | 33,083 | +0.5% |
| 3Q19 | 40,426 | -0.5% |
| 2Q19 | 38,271 | +0.8% |
| 1Q19 | 39,812 | -2.1% |
| 4Q18 | 32,908 | -3.1% |
| 3Q18 | 40,619 | -2.1% |
| 2Q18 | 37,968 | -2.1% |
| 1Q18 | 40,656 | -1.1% |
| 4Q17 | 33,944 | +0.8% |
| 3Q17 | 41,470 | -0.5% |
| 2Q17 | 38,801 | - |
| 1Q17 | 41,097 | - |
| 4Q16 | 33,674 | - |
| 3Q16 | 41,687 | - |