| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 26,520 | +1.3% |
| 1Q26 | 26,435 | +3.7% |
| 4Q25 | 26,198 | +1.2% |
| 3Q25 | 25,943 | -2.7% |
| 2Q25 | 26,189 | +3.7% |
| 1Q25 | 25,490 | -2.2% |
| 4Q24 | 25,878 | -1.1% |
| 3Q24 | 26,658 | -2.4% |
| 2Q24 | 25,257 | +0.5% |
| 1Q24 | 26,064 | +6.3% |
| 4Q23 | 26,176 | -0.5% |
| 3Q23 | 27,313 | +19.7% |
| 2Q23 | 25,127 | +16.2% |
| 1Q23 | 24,530 | +21.0% |
| 4Q22 | 26,297 | +32.0% |
| 3Q22 | 22,810 | +25.8% |
| 2Q22 | 21,623 | +39.9% |
| 1Q22 | 20,278 | +13.3% |
| 4Q21 | 19,925 | -0.3% |
| 3Q21 | 18,138 | -10.1% |
| 2Q21 | 15,453 | -24.9% |
| 1Q21 | 17,894 | -11.0% |
| 4Q20 | 19,991 | -5.8% |
| 3Q20 | 20,168 | 0.0% |
| 2Q20 | 20,564 | +5.2% |
| 1Q20 | 20,110 | +5.1% |
| 4Q19 | 21,217 | +4.4% |
| 3Q19 | 20,162 | +3.3% |
| 2Q19 | 19,550 | +3.1% |
| 1Q19 | 19,143 | +3.2% |
| 4Q18 | 20,323 | +7.5% |
| 3Q18 | 19,516 | +11.4% |
| 2Q18 | 18,955 | +8.5% |
| 1Q18 | 18,545 | +8.9% |
| 4Q17 | 18,911 | +1.9% |
| 3Q17 | 17,512 | -6.1% |
| 2Q17 | 17,467 | - |
| 1Q17 | 17,035 | - |
| 4Q16 | 18,567 | - |
| 3Q16 | 18,646 | - |