| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 1,222 | -9.0% |
| 2Q26 | 1,245 | -8.5% |
| 1Q26 | 1,290 | -2.4% |
| 4Q25 | 1,234 | +1.9% |
| 3Q25 | 1,343 | +5.3% |
| 2Q25 | 1,360 | -0.3% |
| 1Q25 | 1,322 | -3.9% |
| 4Q24 | 1,211 | -6.1% |
| 3Q24 | 1,276 | -3.8% |
| 2Q24 | 1,364 | +1.9% |
| 1Q24 | 1,375 | +4.6% |
| 4Q23 | 1,289 | -8.8% |
| 3Q23 | 1,326 | -1.9% |
| 2Q23 | 1,338 | +4.3% |
| 1Q23 | 1,315 | +5.2% |
| 4Q22 | 1,413 | +2.6% |
| 3Q22 | 1,352 | -21.1% |
| 2Q22 | 1,283 | -17.5% |
| 1Q22 | 1,250 | +46.7% |
| 4Q21 | 1,377 | -22.8% |
| 3Q21 | 1,714 | -21.9% |
| 2Q21 | 1,556 | -26.9% |
| 1Q21 | 852 | -60.5% |
| 4Q20 | 1,783 | -14.7% |
| 3Q20 | 2,194 | -1.8% |
| 2Q20 | 2,129 | -9.6% |
| 1Q20 | 2,158 | -5.8% |
| 4Q19 | 2,090 | -10.8% |
| 3Q19 | 2,235 | -12.8% |
| 2Q19 | 2,354 | -8.6% |
| 1Q19 | 2,292 | -15.2% |
| 4Q18 | 2,342 | -14.2% |
| 3Q18 | 2,562 | -22.2% |
| 2Q18 | 2,576 | -16.1% |
| 1Q18 | 2,704 | -14.0% |
| 4Q17 | 2,731 | -15.8% |
| 3Q17 | 3,295 | -5.5% |
| 2Q17 | 3,071 | - |
| 1Q17 | 3,146 | - |
| 4Q16 | 3,243 | - |
| 3Q16 | 3,486 | - |