| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 888 | -2.3% |
| 1Q26 | 925 | +1.6% |
| 4Q25 | 952 | +3.8% |
| 3Q25 | 1,031 | -6.8% |
| 2Q25 | 909 | -5.0% |
| 1Q25 | 910 | -7.1% |
| 4Q24 | 916 | -10.9% |
| 3Q24 | 1,107 | -10.2% |
| 2Q24 | 957 | -7.9% |
| 1Q24 | 980 | -1.8% |
| 4Q23 | 1,029 | +3.9% |
| 3Q23 | 1,232 | +5.3% |
| 2Q23 | 1,039 | +3.6% |
| 1Q23 | 997 | +1.5% |
| 4Q22 | 990 | +3.2% |
| 3Q22 | 1,170 | +1.6% |
| 2Q22 | 1,002 | +0.4% |
| 1Q22 | 983 | +0.2% |
| 4Q21 | 960 | +4.7% |
| 3Q21 | 1,152 | +2.5% |
| 2Q21 | 998 | +5.6% |
| 1Q21 | 980 | 0.0% |
| 4Q20 | 917 | -6.9% |
| 3Q20 | 1,124 | -10.7% |
| 2Q20 | 945 | -11.6% |
| 1Q20 | 980 | -8.1% |
| 4Q19 | 985 | -12.3% |
| 3Q19 | 1,258 | -8.4% |
| 2Q19 | 1,070 | -12.6% |
| 1Q19 | 1,066 | -16.4% |
| 4Q18 | 1,124 | -11.5% |
| 3Q18 | 1,375 | -9.9% |
| 2Q18 | 1,223 | -3.6% |
| 1Q18 | 1,275 | -1.6% |
| 4Q17 | 1,270 | -0.5% |
| 3Q17 | 1,526 | +1.2% |
| 2Q17 | 1,268 | - |
| 1Q17 | 1,296 | - |
| 4Q16 | 1,276 | - |
| 3Q16 | 1,508 | - |