| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 4Q25 | 15,503 | -4.1% |
| 3Q25 | 14,161 | +0.3% |
| 2Q25 | 14,454 | -3.4% |
| 1Q25 | 15,281 | -1.4% |
| 4Q24 | 16,166 | +8.6% |
| 3Q24 | 14,119 | -4.9% |
| 2Q24 | 14,960 | +0.2% |
| 1Q24 | 15,501 | +1.2% |
| 4Q23 | 14,887 | -7.7% |
| 3Q23 | 14,846 | -5.4% |
| 2Q23 | 14,929 | +0.7% |
| 1Q23 | 15,322 | +11.1% |
| 4Q22 | 16,122 | +17.4% |
| 3Q22 | 15,694 | +15.8% |
| 2Q22 | 14,832 | +6.1% |
| 1Q22 | 13,785 | +2.7% |
| 4Q21 | 13,737 | -7.6% |
| 3Q21 | 13,554 | +3.2% |
| 2Q21 | 13,982 | +17.8% |
| 1Q21 | 13,420 | +0.4% |
| 4Q20 | 14,870 | -12.4% |
| 3Q20 | 13,138 | -12.4% |
| 2Q20 | 11,867 | -19.4% |
| 1Q20 | 13,366 | -11.2% |
| 4Q19 | 16,984 | +2.9% |
| 3Q19 | 15,000 | +0.4% |
| 2Q19 | 14,729 | -2.8% |
| 1Q19 | 15,053 | -1.6% |
| 4Q18 | 16,503 | -1.0% |
| 3Q18 | 14,944 | -3.3% |
| 2Q18 | 15,149 | -1.6% |
| 1Q18 | 15,292 | -0.5% |
| 4Q17 | 16,670 | +1.2% |
| 3Q17 | 15,447 | +5.5% |
| 2Q17 | 15,390 | +3.7% |
| 1Q17 | 15,369 | -0.7% |
| 4Q16 | 16,477 | -0.6% |
| 3Q16 | 14,636 | - |
| 2Q16 | 14,848 | - |
| 1Q16 | 15,472 | - |
| 4Q15 | 16,578 | - |