| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 4Q25 | 30,874 | -2.6% |
| 1Q25 | 28,297 | +5.9% |
| 4Q24 | 31,683 | +16.5% |
| 3Q24 | 27,454 | +8.5% |
| 2Q24 | 27,583 | +9.9% |
| 1Q24 | 26,717 | +6.7% |
| 4Q23 | 27,188 | +7.4% |
| 3Q23 | 25,293 | +2.3% |
| 2Q23 | 25,106 | +1.4% |
| 1Q23 | 25,049 | +4.6% |
| 4Q22 | 25,303 | +1.4% |
| 3Q22 | 24,723 | +3.1% |
| 2Q22 | 24,771 | +2.5% |
| 1Q22 | 23,958 | +3.4% |
| 4Q21 | 24,956 | +2.4% |
| 3Q21 | 23,970 | +0.9% |
| 2Q21 | 24,171 | +1.4% |
| 1Q21 | 23,163 | -7.5% |
| 4Q20 | 24,366 | -5.3% |
| 3Q20 | 23,754 | -6.5% |
| 2Q20 | 23,840 | -6.3% |
| 1Q20 | 25,049 | +2.9% |
| 4Q19 | 25,738 | +2.7% |
| 3Q19 | 25,405 | +2.2% |
| 2Q19 | 25,454 | -0.2% |
| 1Q19 | 24,336 | -1.3% |
| 4Q18 | 25,055 | +0.9% |
| 3Q18 | 24,853 | +2.2% |
| 2Q18 | 25,503 | +3.1% |
| 1Q18 | 24,667 | +3.7% |
| 4Q17 | 24,821 | +2.1% |
| 3Q17 | 24,324 | +3.4% |
| 2Q17 | 24,730 | +8.6% |
| 1Q17 | 23,779 | +3.3% |
| 4Q16 | 24,315 | +773.7% |
| 3Q16 | 23,529 | - |
| 2Q16 | 22,777 | - |
| 1Q16 | 23,018 | - |
| 4Q15 | 2,783 | - |