| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 1,303 | -1.9% |
| 2Q26 | 1,265 | -6.2% |
| 1Q26 | 1,273 | -5.2% |
| 4Q25 | 1,250 | -10.1% |
| 3Q25 | 1,329 | -5.0% |
| 2Q25 | 1,348 | +10.3% |
| 1Q25 | 1,343 | +18.9% |
| 4Q24 | 1,390 | +17.4% |
| 3Q24 | 1,399 | +15.0% |
| 2Q24 | 1,223 | +11.2% |
| 1Q24 | 1,129 | +10.5% |
| 4Q23 | 1,183 | +1.4% |
| 3Q23 | 1,216 | +5.7% |
| 2Q23 | 1,099 | +8.6% |
| 1Q23 | 1,022 | +9.1% |
| 4Q22 | 1,167 | +4.9% |
| 3Q22 | 1,150 | +23.9% |
| 2Q22 | 1,012 | +11.9% |
| 1Q22 | 936 | +12.6% |
| 4Q21 | 1,112 | -1.0% |
| 3Q21 | 928 | -20.1% |
| 2Q21 | 904 | -38.3% |
| 1Q21 | 831 | -28.9% |
| 4Q20 | 1,124 | -4.6% |
| 3Q20 | 1,162 | -1.6% |
| 2Q20 | 1,465 | +46.5% |
| 1Q20 | 1,170 | +27.1% |
| 4Q19 | 1,178 | +8.2% |
| 3Q19 | 1,180 | +20.0% |
| 2Q19 | 1,000 | +12.1% |
| 1Q19 | 920 | +1.2% |
| 4Q18 | 1,088 | +7.5% |
| 3Q18 | 984 | +9.6% |
| 2Q18 | 892 | +5.0% |
| 1Q18 | 909 | -2.1% |
| 4Q17 | 1,012 | -13.6% |
| 3Q17 | 897 | +5.0% |
| 2Q17 | 849 | - |
| 1Q17 | 928 | - |
| 4Q16 | 1,171 | - |
| 3Q16 | 854 | - |