| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 4,203 | -6.8% |
| 4Q25 | 4,382 | +2.0% |
| 3Q25 | 4,271 | +0.9% |
| 2Q25 | 4,144 | +8.9% |
| 1Q25 | 4,508 | +16.4% |
| 4Q24 | 4,297 | +5.4% |
| 3Q24 | 4,233 | +7.1% |
| 2Q24 | 3,803 | -2.3% |
| 1Q24 | 3,874 | +3.2% |
| 4Q23 | 4,078 | -0.8% |
| 3Q23 | 3,953 | -2.8% |
| 2Q23 | 3,894 | +3.3% |
| 1Q23 | 3,754 | +3.0% |
| 4Q22 | 4,110 | -0.4% |
| 3Q22 | 4,067 | +18.7% |
| 2Q22 | 3,771 | +13.1% |
| 1Q22 | 3,644 | +16.7% |
| 4Q21 | 4,127 | +33.6% |
| 3Q21 | 3,426 | +20.1% |
| 2Q21 | 3,333 | +10.9% |
| 1Q21 | 3,124 | +1.4% |
| 4Q20 | 3,090 | -7.4% |
| 3Q20 | 2,852 | -13.8% |
| 2Q20 | 3,005 | -11.0% |
| 1Q20 | 3,081 | -5.0% |
| 4Q19 | 3,337 | -2.4% |
| 3Q19 | 3,308 | +3.5% |
| 2Q19 | 3,375 | +8.5% |
| 1Q19 | 3,243 | +10.1% |
| 4Q18 | 3,419 | +8.6% |
| 3Q18 | 3,195 | +6.9% |
| 2Q18 | 3,111 | +8.9% |
| 1Q18 | 2,945 | +8.5% |
| 4Q17 | 3,149 | +10.0% |
| 3Q17 | 2,990 | +9.6% |
| 2Q17 | 2,857 | +2.0% |
| 1Q17 | 2,713 | -0.5% |
| 4Q16 | 2,862 | -3.0% |
| 3Q16 | 2,727 | - |
| 2Q16 | 2,800 | - |
| 1Q16 | 2,727 | - |
| 4Q15 | 2,952 | - |