| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 835 | -5.7% |
| 1Q26 | 884 | -0.8% |
| 4Q25 | 854 | +1.1% |
| 3Q25 | 1,073 | +0.9% |
| 2Q25 | 886 | +3.1% |
| 1Q25 | 891 | -1.5% |
| 4Q24 | 844 | -1.5% |
| 3Q24 | 1,063 | +2.9% |
| 2Q24 | 859 | +0.6% |
| 1Q24 | 904 | +2.5% |
| 4Q23 | 857 | +4.6% |
| 3Q23 | 1,033 | +2.8% |
| 2Q23 | 854 | +6.7% |
| 1Q23 | 883 | +4.5% |
| 4Q22 | 819 | +1.3% |
| 3Q22 | 1,005 | +0.4% |
| 2Q22 | 800 | -0.6% |
| 1Q22 | 844 | -5.6% |
| 4Q21 | 809 | -2.4% |
| 3Q21 | 1,001 | +5.2% |
| 2Q21 | 805 | +3.2% |
| 1Q21 | 895 | +9.8% |
| 4Q20 | 829 | +1.2% |
| 3Q20 | 952 | -6.6% |
| 2Q20 | 780 | +3.4% |
| 1Q20 | 815 | +2.3% |
| 4Q19 | 819 | +9.8% |
| 3Q19 | 1,019 | +1.6% |
| 2Q19 | 755 | -1.2% |
| 1Q19 | 797 | -5.2% |
| 4Q18 | 746 | -4.0% |
| 3Q18 | 1,004 | +5.1% |
| 2Q18 | 763 | -6.5% |
| 1Q18 | 841 | -1.6% |
| 4Q17 | 777 | -8.3% |
| 3Q17 | 955 | -7.1% |
| 2Q17 | 816 | - |
| 1Q17 | 855 | - |
| 4Q16 | 847 | - |
| 3Q16 | 1,028 | - |