| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 856 | -0.7% |
| 1Q26 | 772 | -3.1% |
| 4Q25 | 792 | -2.2% |
| 3Q25 | 878 | -12.2% |
| 2Q25 | 862 | -3.4% |
| 1Q25 | 796 | -2.2% |
| 4Q24 | 810 | +1.1% |
| 3Q24 | 1,000 | +12.3% |
| 2Q23 | 892 | -5.6% |
| 1Q24 | 815 | +0.4% |
| 4Q23 | 801 | -2.4% |
| 3Q23 | 890 | +29.8% |
| 2Q22 | 945 | +19.2% |
| 1Q23 | 811 | +10.7% |
| 4Q22 | 821 | +16.1% |
| 3Q22 | 686 | - |
| 2Q21 | 793 | +85.7% |
| 1Q22 | 733 | +17.6% |
| 4Q21 | 707 | -14.2% |
| 2Q20 | 427 | -56.5% |
| 1Q21 | 623 | -38.7% |
| 4Q20 | 824 | -27.8% |
| 3Q20 | 1,446 | - |
| 1Q20 | 1,017 | -5.0% |
| 4Q19 | 1,141 | +17.1% |
| 2Q19 | 981 | -4.3% |
| 1Q19 | 1,070 | +7.7% |
| 4Q18 | 975 | +4.6% |
| 3Q18 | 986 | -1.4% |
| 2Q18 | 1,026 | +9.4% |
| 1Q18 | 993 | +3.1% |
| 4Q17 | 932 | -1.2% |
| 3Q17 | 1,000 | -6.0% |
| 2Q17 | 938 | - |
| 1Q17 | 964 | - |
| 4Q16 | 943 | - |
| 3Q16 | 1,064 | - |