| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 938 | -9.3% |
| 3Q25 | 844 | -6.5% |
| 2Q25 | 785 | -9.8% |
| 1Q25 | 886 | -23.1% |
| 4Q24 | 1,034 | +3.5% |
| 3Q24 | 903 | -25.9% |
| 2Q24 | 870 | +1.9% |
| 1Q24 | 1,152 | +23.7% |
| 4Q23 | 999 | -3.1% |
| 3Q23 | 1,218 | +43.1% |
| 2Q23 | 854 | +8.2% |
| 1Q23 | 931 | +11.4% |
| 4Q22 | 1,031 | +5.4% |
| 3Q22 | 851 | +0.6% |
| 2Q22 | 789 | -1.4% |
| 1Q22 | 836 | -5.5% |
| 4Q21 | 978 | +9.4% |
| 3Q21 | 846 | -23.7% |
| 2Q21 | 800 | -1.5% |
| 1Q21 | 885 | -10.7% |
| 4Q20 | 894 | -21.0% |
| 3Q20 | 1,109 | -15.9% |
| 2Q20 | 812 | -17.7% |
| 1Q20 | 991 | +6.7% |
| 4Q19 | 1,131 | +0.1% |
| 3Q19 | 1,318 | +33.1% |
| 2Q19 | 987 | -3.2% |
| 1Q19 | 929 | -7.0% |
| 4Q18 | 1,130 | +2.2% |
| 3Q18 | 990 | +4.0% |
| 2Q18 | 1,020 | +6.0% |
| 1Q18 | 999 | -4.0% |
| 4Q17 | 1,106 | -2.0% |
| 3Q17 | 952 | -3.9% |
| 2Q17 | 962 | +3.1% |
| 1Q17 | 1,041 | +3.4% |
| 4Q16 | 1,129 | -1.8% |
| 3Q16 | 991 | -6.2% |
| 2Q16 | 933 | - |
| 1Q16 | 1,007 | - |
| 4Q15 | 1,150 | - |
| 3Q15 | 1,057 | - |