| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 30,995 | -0.9% |
| 4Q25 | 29,122 | -7.5% |
| 3Q25 | 27,463 | -1.5% |
| 2Q25 | 27,226 | -0.1% |
| 1Q25 | 31,289 | +10.1% |
| 4Q24 | 31,486 | +14.5% |
| 3Q24 | 27,870 | +5.8% |
| 2Q24 | 27,245 | -0.3% |
| 1Q24 | 28,406 | +13.1% |
| 4Q23 | 27,489 | +8.4% |
| 3Q23 | 26,351 | +8.8% |
| 2Q23 | 27,328 | +14.9% |
| 1Q23 | 25,119 | +8.4% |
| 4Q22 | 25,350 | +15.1% |
| 3Q22 | 24,227 | +21.1% |
| 2Q22 | 23,794 | +24.0% |
| 1Q22 | 23,168 | +33.7% |
| 4Q21 | 22,020 | +37.4% |
| 3Q21 | 20,008 | +41.2% |
| 2Q21 | 19,183 | +26.5% |
| 1Q21 | 17,331 | +2.9% |
| 4Q20 | 16,028 | -7.0% |
| 3Q20 | 14,172 | -18.9% |
| 2Q20 | 15,160 | -14.7% |
| 1Q20 | 16,850 | -6.2% |
| 4Q19 | 17,241 | -3.7% |
| 3Q19 | 17,477 | +4.9% |
| 2Q19 | 17,763 | +2.8% |
| 1Q19 | 17,972 | +3.5% |
| 4Q18 | 17,911 | +5.6% |
| 3Q18 | 16,654 | +9.5% |
| 2Q18 | 17,278 | +10.4% |
| 1Q18 | 17,363 | +14.8% |
| 4Q17 | 16,954 | +22.2% |
| 3Q17 | 15,210 | +18.4% |
| 2Q17 | 15,648 | +7.2% |
| 1Q17 | 15,130 | +1.9% |
| 4Q16 | 13,877 | -11.9% |
| 3Q16 | 12,843 | - |
| 2Q16 | 14,592 | - |
| 1Q16 | 14,843 | - |
| 4Q15 | 15,753 | - |