| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 30,154 | +1.5% |
| 2Q26 | 28,825 | +4.5% |
| 1Q26 | 28,310 | +2.4% |
| 4Q25 | 29,144 | +6.4% |
| 3Q25 | 29,703 | +8.7% |
| 2Q25 | 27,595 | +4.6% |
| 1Q25 | 27,649 | +3.5% |
| 4Q24 | 27,395 | -0.5% |
| 3Q24 | 27,329 | -4.9% |
| 2Q24 | 26,373 | -6.9% |
| 1Q24 | 26,719 | -2.7% |
| 4Q23 | 27,526 | +0.5% |
| 3Q23 | 28,730 | +3.1% |
| 2Q23 | 28,322 | +7.7% |
| 1Q23 | 27,464 | +12.4% |
| 4Q22 | 27,381 | +8.5% |
| 3Q22 | 27,861 | +27.1% |
| 2Q22 | 26,297 | +31.2% |
| 1Q22 | 24,427 | +16.4% |
| 4Q21 | 25,227 | +3.6% |
| 3Q21 | 21,926 | -7.5% |
| 2Q21 | 20,044 | -17.5% |
| 1Q21 | 20,991 | -11.2% |
| 4Q20 | 24,358 | -6.4% |
| 3Q20 | 23,704 | -13.2% |
| 2Q20 | 24,293 | -6.8% |
| 1Q20 | 23,636 | -12.8% |
| 4Q19 | 26,012 | -2.0% |
| 3Q19 | 27,304 | +4.4% |
| 2Q19 | 26,057 | +2.6% |
| 1Q19 | 27,121 | +11.9% |
| 4Q18 | 26,540 | +14.0% |
| 3Q18 | 26,152 | +15.4% |
| 2Q18 | 25,392 | +15.3% |
| 1Q18 | 24,238 | +17.2% |
| 4Q17 | 23,288 | +4.0% |
| 3Q17 | 22,653 | +2.9% |
| 2Q17 | 22,030 | - |
| 1Q17 | 20,686 | - |
| 4Q16 | 22,402 | - |
| 3Q16 | 22,008 | - |