| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 801 | -7.1% |
| 1Q26 | 786 | +3.3% |
| 4Q25 | 851 | +3.0% |
| 3Q25 | 829 | +0.1% |
| 2Q25 | 862 | +2.8% |
| 1Q25 | 761 | -6.5% |
| 4Q24 | 826 | -11.4% |
| 3Q24 | 827 | -12.1% |
| 2Q24 | 838 | -7.3% |
| 1Q24 | 815 | -2.8% |
| 4Q23 | 932 | +9.7% |
| 3Q23 | 941 | +4.5% |
| 2Q23 | 904 | +0.6% |
| 1Q23 | 838 | +5.5% |
| 4Q22 | 849 | +4.0% |
| 3Q22 | 901 | +0.1% |
| 2Q22 | 899 | +0.7% |
| 1Q22 | 794 | +1.4% |
| 4Q21 | 816 | -25.4% |
| 3Q21 | 900 | -18.2% |
| 2Q21 | 893 | -11.4% |
| 1Q21 | 783 | -17.0% |
| 4Q20 | 1,094 | +8.5% |
| 3Q20 | 1,101 | -0.5% |
| 2Q20 | 1,008 | -2.5% |
| 1Q20 | 944 | -0.5% |
| 4Q19 | 1,008 | -16.1% |
| 3Q19 | 1,107 | -2.0% |
| 2Q19 | 1,034 | -3.4% |
| 1Q19 | 949 | -7.1% |
| 4Q18 | 1,202 | -8.2% |
| 3Q18 | 1,129 | -11.4% |
| 2Q18 | 1,071 | -4.4% |
| 1Q18 | 1,022 | -11.7% |
| 4Q17 | 1,309 | -27.9% |
| 3Q17 | 1,276 | -6.7% |
| 2Q17 | 1,120 | -18.8% |
| 1Q17 | 1,157 | -2.8% |
| 4Q16 | 1,816 | - |
| 3Q16 | 1,367 | - |
| 2Q16 | 1,380 | - |
| 1Q16 | 1,191 | - |