| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 26,073 | -15.8% |
| 2Q26 | 26,947 | -10.9% |
| 1Q26 | 27,947 | -7.3% |
| 4Q25 | 31,202 | -3.3% |
| 3Q25 | 30,965 | -3.3% |
| 2Q25 | 30,250 | +3.9% |
| 1Q25 | 30,153 | +8.1% |
| 4Q24 | 32,266 | +9.9% |
| 3Q24 | 32,017 | -3.0% |
| 2Q24 | 29,107 | -7.1% |
| 1Q24 | 27,899 | -4.9% |
| 4Q23 | 29,356 | +5.8% |
| 3Q23 | 33,004 | +18.5% |
| 2Q23 | 31,319 | +19.7% |
| 1Q23 | 29,339 | +5.6% |
| 4Q22 | 27,737 | -26.8% |
| 3Q22 | 27,859 | -29.1% |
| 2Q22 | 26,164 | -26.2% |
| 1Q22 | 27,781 | +18.4% |
| 4Q21 | 37,876 | +2.5% |
| 3Q21 | 39,293 | +6.0% |
| 2Q21 | 35,459 | -3.9% |
| 1Q21 | 23,464 | -39.3% |
| 4Q20 | 36,939 | -7.4% |
| 3Q20 | 37,069 | -11.8% |
| 2Q20 | 36,889 | -11.2% |
| 1Q20 | 38,659 | -6.5% |
| 4Q19 | 39,897 | -1.2% |
| 3Q19 | 42,032 | - |
| 2Q19 | 41,552 | - |
| 1Q19 | 41,332 | - |
| 4Q18 | 40,363 | - |