| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 4Q25 | 19,570 | +1.6% |
| 3Q25 | 19,299 | +3.3% |
| 2Q25 | 19,453 | +2.9% |
| 1Q25 | 18,361 | -0.1% |
| 4Q24 | 19,263 | -1.4% |
| 3Q24 | 18,687 | -1.9% |
| 2Q24 | 18,905 | +0.3% |
| 1Q24 | 18,376 | +1.0% |
| 4Q23 | 19,543 | -0.4% |
| 3Q23 | 19,041 | -0.1% |
| 2Q23 | 18,850 | -2.6% |
| 1Q23 | 18,201 | -1.5% |
| 4Q22 | 19,629 | -1.8% |
| 3Q22 | 19,056 | -1.2% |
| 2Q22 | 19,344 | -1.3% |
| 1Q22 | 18,474 | -1.6% |
| 4Q21 | 19,985 | +4.4% |
| 3Q21 | 19,293 | +2.4% |
| 2Q21 | 19,608 | +1.9% |
| 1Q21 | 18,775 | +2.0% |
| 4Q20 | 19,141 | -5.5% |
| 3Q20 | 18,835 | +3.7% |
| 2Q20 | 19,250 | +2.6% |
| 1Q20 | 18,412 | +4.4% |
| 4Q19 | 20,258 | +6.2% |
| 3Q19 | 18,169 | -0.5% |
| 2Q19 | 18,764 | -0.7% |
| 1Q19 | 17,636 | -0.3% |
| 4Q18 | 19,073 | +2.7% |
| 3Q18 | 18,254 | +1.3% |
| 2Q18 | 18,896 | +2.9% |
| 1Q18 | 17,691 | +0.4% |
| 4Q17 | 18,579 | 0.0% |
| 3Q17 | 18,015 | +0.5% |
| 2Q17 | 18,364 | - |
| 1Q17 | 17,620 | - |
| 4Q16 | 18,570 | - |
| 3Q16 | 17,931 | - |