| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 27,565 | +2.3% |
| 2Q26 | 26,634 | -3.2% |
| 1Q26 | 25,743 | -1.0% |
| 4Q25 | 25,264 | +3.9% |
| 3Q25 | 26,948 | +4.2% |
| 2Q25 | 27,513 | +8.1% |
| 1Q25 | 25,997 | +7.5% |
| 4Q24 | 24,306 | -4.2% |
| 3Q24 | 25,863 | -5.0% |
| 2Q24 | 25,458 | -2.6% |
| 1Q24 | 24,175 | +1.2% |
| 4Q23 | 25,359 | +13.1% |
| 3Q23 | 27,232 | +23.9% |
| 2Q23 | 26,138 | +23.6% |
| 1Q23 | 23,896 | +22.3% |
| 4Q22 | 22,421 | +17.2% |
| 3Q22 | 21,971 | +13.8% |
| 2Q22 | 21,142 | +22.2% |
| 1Q22 | 19,532 | +7.3% |
| 4Q21 | 19,124 | -7.2% |
| 3Q21 | 19,310 | -8.7% |
| 2Q21 | 17,300 | -17.1% |
| 1Q21 | 18,208 | -11.5% |
| 4Q20 | 20,613 | -2.5% |
| 3Q20 | 21,156 | -4.6% |
| 2Q20 | 20,856 | -2.9% |
| 1Q20 | 20,583 | +0.5% |
| 4Q19 | 21,139 | +3.9% |
| 3Q19 | 22,182 | +7.5% |
| 2Q19 | 21,488 | +5.6% |
| 1Q19 | 20,477 | +5.9% |
| 4Q18 | 20,351 | +5.9% |
| 3Q18 | 20,628 | +11.6% |
| 2Q18 | 20,345 | +7.8% |
| 1Q18 | 19,333 | +4.0% |
| 4Q17 | 19,225 | +0.3% |
| 3Q17 | 18,490 | -11.4% |
| 2Q17 | 18,871 | - |
| 1Q17 | 18,596 | - |
| 4Q16 | 19,158 | - |
| 3Q16 | 20,866 | - |