| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 27,131 | -17.0% |
| 2Q26 | 25,481 | -16.7% |
| 1Q26 | 27,285 | -12.7% |
| 4Q25 | 29,854 | +6.4% |
| 3Q25 | 32,684 | +1.1% |
| 2Q25 | 30,591 | -5.4% |
| 1Q25 | 31,239 | +0.1% |
| 4Q24 | 28,068 | -16.0% |
| 3Q24 | 32,324 | -25.0% |
| 2Q24 | 32,351 | -20.7% |
| 1Q24 | 31,207 | -13.6% |
| 4Q23 | 33,418 | +7.2% |
| 3Q23 | 43,092 | +31.1% |
| 2Q23 | 40,810 | +36.6% |
| 1Q23 | 36,123 | +9.7% |
| 4Q22 | 31,183 | -0.1% |
| 3Q22 | 32,879 | -9.4% |
| 2Q22 | 29,882 | -9.8% |
| 1Q22 | 32,931 | +18.1% |
| 4Q21 | 31,218 | -6.1% |
| 3Q21 | 36,297 | -1.9% |
| 2Q21 | 33,129 | -7.3% |
| 1Q21 | 27,882 | -15.7% |
| 4Q20 | 33,254 | +2.3% |
| 3Q20 | 36,984 | +6.0% |
| 2Q20 | 35,730 | +1.9% |
| 1Q20 | 33,078 | +11.7% |
| 4Q19 | 32,518 | +12.2% |
| 3Q19 | 34,897 | +13.6% |
| 2Q19 | 35,054 | +15.4% |
| 1Q19 | 29,614 | +4.8% |
| 4Q18 | 28,988 | +4.0% |
| 3Q18 | 30,723 | +9.2% |
| 2Q18 | 30,384 | +19.8% |
| 1Q18 | 28,266 | +20.4% |
| 4Q17 | 27,862 | - |
| 3Q17 | 28,141 | - |
| 2Q17 | 25,360 | - |
| 1Q17 | 23,476 | - |