| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 1Q26 | 17,008 | -0.8% |
| 3Q25 | 16,570 | +5.1% |
| 2Q25 | 17,585 | +2.4% |
| 1Q25 | 17,141 | +5.3% |
| 4Q24 | 17,115 | +5.5% |
| 3Q24 | 15,765 | +0.6% |
| 2Q24 | 17,176 | +2.4% |
| 1Q24 | 16,274 | +2.2% |
| 4Q23 | 16,228 | -0.5% |
| 3Q23 | 15,673 | -2.8% |
| 2Q23 | 16,776 | -0.3% |
| 1Q23 | 15,923 | -1.9% |
| 4Q22 | 16,309 | -1.7% |
| 3Q22 | 16,127 | +3.7% |
| 2Q22 | 16,826 | +1.0% |
| 1Q22 | 16,236 | +3.8% |
| 4Q21 | 16,585 | +3.2% |
| 3Q21 | 15,555 | -4.8% |
| 2Q21 | 16,652 | -2.9% |
| 1Q21 | 15,646 | -4.1% |
| 4Q20 | 16,064 | -5.9% |
| 3Q20 | 16,342 | -1.8% |
| 2Q20 | 17,141 | +0.1% |
| 1Q20 | 16,320 | -3.5% |
| 4Q19 | 17,072 | +0.4% |
| 3Q19 | 16,639 | +3.3% |
| 2Q19 | 17,131 | +4.1% |
| 1Q19 | 16,909 | +3.9% |
| 4Q18 | 16,996 | +2.0% |
| 3Q18 | 16,106 | +0.2% |
| 2Q18 | 16,450 | -3.3% |
| 1Q18 | 16,268 | -1.5% |
| 4Q17 | 16,662 | -0.0% |
| 3Q17 | 16,068 | +7.8% |
| 2Q17 | 17,006 | -2.3% |
| 1Q17 | 16,524 | +5.8% |
| 4Q16 | 16,668 | - |
| 3Q16 | 14,902 | - |
| 2Q16 | 17,413 | - |
| 1Q16 | 15,625 | - |