| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 25,246 | -0.2% |
| 2Q26 | 25,055 | -0.2% |
| 1Q26 | 23,930 | -4.9% |
| 4Q25 | 23,978 | -2.2% |
| 3Q25 | 25,309 | -3.4% |
| 2Q25 | 25,099 | +1.1% |
| 1Q25 | 25,163 | +2.6% |
| 4Q24 | 24,524 | -8.7% |
| 3Q24 | 26,198 | -3.3% |
| 2Q24 | 24,822 | -7.3% |
| 1Q24 | 24,531 | +4.8% |
| 4Q23 | 26,859 | +9.5% |
| 3Q23 | 27,103 | +15.7% |
| 2Q23 | 26,765 | +15.5% |
| 1Q23 | 23,411 | +9.1% |
| 4Q22 | 24,521 | +14.0% |
| 3Q22 | 23,417 | +15.4% |
| 2Q22 | 23,169 | +20.9% |
| 1Q22 | 21,464 | +10.9% |
| 4Q21 | 21,518 | -3.7% |
| 3Q21 | 20,289 | -7.2% |
| 2Q21 | 19,171 | -14.8% |
| 1Q21 | 19,349 | -17.1% |
| 4Q20 | 22,343 | -4.6% |
| 3Q20 | 21,869 | -6.4% |
| 2Q20 | 22,497 | -2.1% |
| 1Q20 | 23,336 | +5.7% |
| 4Q19 | 23,429 | +6.0% |
| 3Q19 | 23,371 | +3.1% |
| 2Q19 | 22,972 | +9.0% |
| 1Q19 | 22,080 | +7.1% |
| 4Q18 | 22,112 | +4.2% |
| 3Q18 | 22,674 | +19.3% |
| 2Q18 | 21,084 | +3.8% |
| 1Q18 | 20,614 | +8.4% |
| 4Q17 | 21,211 | -0.6% |
| 3Q17 | 19,006 | -1.8% |
| 2Q17 | 20,306 | +1.4% |
| 1Q17 | 19,014 | -3.3% |
| 4Q16 | 21,342 | - |
| 3Q16 | 19,355 | - |
| 2Q16 | 20,018 | - |
| 1Q16 | 19,670 | - |