| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 4Q25 | 34,647 | +0.7% |
| 3Q25 | 34,024 | +3.8% |
| 2Q25 | 34,887 | +5.0% |
| 1Q25 | 33,444 | +3.9% |
| 4Q24 | 34,411 | +3.8% |
| 3Q24 | 32,763 | +3.5% |
| 2Q24 | 33,213 | +5.4% |
| 1Q24 | 32,199 | +5.1% |
| 4Q23 | 33,160 | -15.0% |
| 3Q23 | 31,650 | -3.2% |
| 2Q23 | 31,526 | -5.6% |
| 1Q23 | 30,629 | -5.8% |
| 4Q22 | 39,002 | +12.8% |
| 3Q22 | 32,702 | +7.7% |
| 2Q22 | 33,392 | +19.6% |
| 1Q22 | 32,531 | +9.2% |
| 4Q21 | 34,581 | +11.5% |
| 3Q21 | 30,375 | +0.3% |
| 2Q21 | 27,914 | -3.8% |
| 1Q21 | 29,784 | +4.1% |
| 4Q20 | 31,011 | +5.6% |
| 3Q20 | 30,297 | +6.8% |
| 2Q20 | 29,011 | +1.2% |
| 1Q20 | 28,608 | +2.0% |
| 4Q19 | 29,365 | +1.2% |
| 3Q19 | 28,368 | +2.0% |
| 2Q19 | 28,659 | +0.8% |
| 1Q19 | 28,053 | +1.0% |
| 4Q18 | 29,018 | +1.3% |
| 3Q18 | 27,807 | +1.2% |
| 2Q18 | 28,431 | +2.1% |
| 1Q18 | 27,762 | +1.4% |
| 4Q17 | 28,657 | +2.7% |
| 3Q17 | 27,473 | +3.6% |
| 2Q17 | 27,855 | - |
| 1Q17 | 27,373 | - |
| 4Q16 | 27,900 | - |
| 3Q16 | 26,507 | - |