| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 4Q25 | 10,136 | -8.1% |
| 3Q25 | 10,225 | -2.6% |
| 2Q25 | 10,587 | +3.3% |
| 1Q25 | 10,586 | +2.0% |
| 4Q24 | 11,024 | +4.4% |
| 3Q24 | 10,499 | +2.9% |
| 2Q24 | 10,251 | +8.1% |
| 1Q24 | 10,379 | +12.0% |
| 4Q23 | 10,555 | +9.1% |
| 3Q23 | 10,200 | +11.7% |
| 2Q23 | 9,482 | +0.9% |
| 1Q23 | 9,263 | -0.8% |
| 4Q22 | 9,672 | -2.0% |
| 3Q22 | 9,132 | -4.3% |
| 2Q22 | 9,398 | -5.3% |
| 1Q22 | 9,335 | -8.6% |
| 4Q21 | 9,869 | -11.7% |
| 3Q21 | 9,538 | -11.7% |
| 2Q21 | 9,923 | -5.7% |
| 1Q21 | 10,216 | +0.5% |
| 4Q20 | 11,182 | +10.2% |
| 3Q20 | 10,796 | +4.1% |
| 2Q20 | 10,525 | +6.8% |
| 1Q20 | 10,168 | +4.1% |
| 4Q19 | 10,146 | +5.5% |
| 3Q19 | 10,367 | +9.2% |
| 2Q19 | 9,857 | +4.7% |
| 1Q19 | 9,767 | +5.1% |
| 4Q18 | 9,616 | +2.2% |
| 3Q18 | 9,494 | +1.5% |
| 2Q18 | 9,415 | +3.0% |
| 1Q18 | 9,291 | +0.9% |
| 4Q17 | 9,412 | +0.1% |
| 3Q17 | 9,350 | +0.1% |
| 2Q17 | 9,142 | - |
| 1Q17 | 9,212 | - |
| 4Q16 | 9,399 | - |
| 3Q16 | 9,340 | - |