| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 943 | -6.0% |
| 4Q25 | 1,078 | +12.2% |
| 3Q25 | 978 | -0.4% |
| 2Q25 | 996 | +0.1% |
| 1Q25 | 1,003 | +0.6% |
| 4Q24 | 961 | -7.1% |
| 3Q24 | 982 | -5.2% |
| 2Q24 | 995 | -10.3% |
| 1Q24 | 997 | -7.2% |
| 4Q23 | 1,034 | +4.3% |
| 3Q23 | 1,036 | -4.4% |
| 2Q23 | 1,109 | +2.0% |
| 1Q23 | 1,074 | +1.9% |
| 4Q22 | 992 | -17.2% |
| 3Q22 | 1,083 | +8.0% |
| 2Q22 | 1,087 | +11.3% |
| 1Q22 | 1,053 | +15.2% |
| 4Q21 | 1,198 | +33.5% |
| 3Q21 | 1,003 | -9.1% |
| 2Q21 | 977 | -9.4% |
| 1Q21 | 914 | -20.3% |
| 4Q20 | 897 | -25.2% |
| 3Q20 | 1,103 | -4.6% |
| 2Q20 | 1,077 | -15.8% |
| 1Q20 | 1,147 | -3.5% |
| 4Q19 | 1,199 | -2.9% |
| 3Q19 | 1,156 | -0.9% |
| 2Q19 | 1,280 | +7.8% |
| 1Q19 | 1,188 | +11.0% |
| 4Q18 | 1,234 | +11.5% |
| 3Q18 | 1,166 | +15.4% |
| 2Q18 | 1,187 | +18.1% |
| 1Q18 | 1,070 | +6.6% |
| 4Q17 | 1,107 | -6.8% |
| 3Q17 | 1,010 | +0.5% |
| 2Q17 | 1,005 | +6.5% |
| 1Q17 | 1,003 | +13.1% |
| 4Q16 | 1,188 | - |
| 3Q16 | 1,005 | - |
| 2Q16 | 943 | - |
| 1Q16 | 887 | - |