| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 19,978 | -0.3% |
| 4Q25 | 19,550 | +1.5% |
| 3Q25 | 18,728 | +3.1% |
| 2Q25 | 20,337 | +2.1% |
| 1Q25 | 20,032 | +2.5% |
| 4Q24 | 19,266 | +2.5% |
| 3Q24 | 18,165 | +3.6% |
| 2Q24 | 19,914 | +2.9% |
| 1Q24 | 19,535 | +5.6% |
| 4Q23 | 18,793 | +4.7% |
| 3Q23 | 17,534 | +11.1% |
| 2Q23 | 19,345 | +9.6% |
| 1Q23 | 18,505 | +12.1% |
| 4Q22 | 17,944 | +28.4% |
| 3Q22 | 15,787 | +16.5% |
| 2Q22 | 17,651 | +18.5% |
| 1Q22 | 16,501 | +16.6% |
| 4Q21 | 13,970 | +6.7% |
| 3Q21 | 13,556 | +7.3% |
| 2Q21 | 14,899 | -4.2% |
| 1Q21 | 14,149 | -4.3% |
| 4Q20 | 13,095 | -18.4% |
| 3Q20 | 12,628 | -5.2% |
| 2Q20 | 15,555 | -2.7% |
| 1Q20 | 14,779 | +2.7% |
| 4Q19 | 16,057 | +16.1% |
| 3Q19 | 13,324 | +8.9% |
| 2Q19 | 15,991 | +8.2% |
| 1Q19 | 14,395 | +4.6% |
| 4Q18 | 13,827 | -1.3% |
| 3Q18 | 12,236 | +2.0% |
| 2Q18 | 14,778 | +0.5% |
| 1Q18 | 13,765 | +5.1% |
| 4Q17 | 14,012 | +3.5% |
| 3Q17 | 11,999 | +0.3% |
| 2Q17 | 14,702 | +2.4% |
| 1Q17 | 13,102 | +4.2% |
| 4Q16 | 13,537 | - |
| 3Q16 | 11,969 | - |
| 2Q16 | 14,355 | - |
| 1Q16 | 12,580 | - |