| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 24,063 | -4.8% |
| 1Q26 | 24,584 | -3.6% |
| 4Q25 | 23,823 | +0.6% |
| 3Q25 | 23,278 | -1.7% |
| 2Q25 | 25,289 | +5.9% |
| 1Q25 | 25,505 | +3.9% |
| 4Q24 | 23,676 | -3.4% |
| 3Q24 | 23,682 | +1.6% |
| 2Q24 | 23,878 | +2.5% |
| 1Q24 | 24,538 | +0.1% |
| 4Q23 | 24,514 | -6.8% |
| 3Q23 | 23,310 | -7.1% |
| 2Q23 | 23,291 | -9.8% |
| 1Q23 | 24,509 | -7.1% |
| 4Q22 | 26,316 | +0.7% |
| 3Q22 | 25,080 | +3.2% |
| 2Q22 | 25,832 | -4.1% |
| 1Q22 | 26,386 | -0.0% |
| 4Q21 | 26,120 | +8.7% |
| 3Q21 | 24,304 | +3.0% |
| 2Q21 | 26,926 | +14.5% |
| 1Q21 | 26,389 | +23.7% |
| 4Q20 | 24,038 | +62.9% |
| 3Q20 | 23,587 | +81.8% |
| 2Q20 | 23,523 | +71.8% |
| 1Q20 | 21,324 | +59.7% |
| 4Q19 | 14,756 | +6.6% |
| 3Q19 | 12,977 | +0.9% |
| 2Q19 | 13,695 | +2.5% |
| 1Q19 | 13,352 | +0.3% |
| 4Q18 | 13,844 | -2.6% |
| 3Q18 | 12,862 | - |
| 2Q18 | 13,363 | - |
| 1Q18 | 13,316 | - |
| 4Q17 | 14,208 | - |