| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 36,750 | +5.9% |
| 3Q25 | 35,566 | +4.7% |
| 2Q25 | 37,554 | +6.3% |
| 1Q25 | 34,296 | +8.2% |
| 4Q24 | 34,693 | +9.0% |
| 3Q24 | 33,964 | +21.1% |
| 2Q24 | 35,321 | +17.8% |
| 1Q24 | 31,690 | +14.9% |
| 4Q23 | 31,823 | +18.3% |
| 3Q23 | 28,037 | +3.4% |
| 2Q23 | 29,977 | +1.0% |
| 1Q23 | 27,590 | +6.4% |
| 4Q22 | 26,893 | +1.4% |
| 3Q22 | 27,104 | +8.6% |
| 2Q22 | 29,683 | +2.3% |
| 1Q22 | 25,926 | +3.8% |
| 4Q21 | 26,509 | +6.3% |
| 3Q21 | 24,954 | +2.2% |
| 2Q21 | 29,009 | +2.8% |
| 1Q21 | 24,971 | +3.1% |
| 4Q20 | 24,943 | -0.4% |
| 3Q20 | 24,411 | +0.9% |
| 2Q20 | 28,217 | +4.0% |
| 1Q20 | 24,219 | +1.5% |
| 4Q19 | 25,031 | +48.3% |
| 3Q19 | 24,191 | +44.9% |
| 2Q19 | 27,124 | +33.3% |
| 1Q19 | 23,864 | +43.2% |
| 4Q18 | 16,882 | +3.3% |
| 3Q18 | 16,700 | +7.0% |
| 2Q18 | 20,347 | +2.9% |
| 1Q18 | 16,664 | +9.5% |
| 4Q17 | 16,335 | +2.2% |
| 3Q17 | 15,603 | +0.1% |
| 2Q17 | 19,773 | +4.9% |
| 1Q17 | 15,212 | +0.2% |
| 4Q16 | 15,986 | +2.0% |
| 3Q16 | 15,595 | - |
| 2Q16 | 18,850 | - |
| 1Q16 | 15,187 | - |
| 4Q15 | 15,677 | - |