| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 4Q25 | 28,778 | +10.0% |
| 3Q25 | 28,296 | +10.4% |
| 2Q25 | 27,273 | +12.0% |
| 1Q25 | 25,597 | +11.0% |
| 4Q24 | 26,173 | +6.2% |
| 3Q24 | 25,637 | +9.4% |
| 2Q24 | 24,344 | +11.3% |
| 1Q24 | 23,064 | +12.3% |
| 4Q23 | 24,640 | +28.9% |
| 3Q23 | 23,432 | +28.5% |
| 2Q23 | 21,875 | +24.6% |
| 1Q23 | 20,538 | +24.0% |
| 4Q22 | 19,121 | +10.6% |
| 3Q22 | 18,229 | +12.8% |
| 2Q22 | 17,560 | +11.9% |
| 1Q22 | 16,563 | +0.9% |
| 4Q21 | 17,284 | -8.9% |
| 3Q21 | 16,162 | -11.5% |
| 2Q21 | 15,696 | -7.5% |
| 1Q21 | 16,414 | -24.2% |
| 4Q20 | 18,975 | -18.3% |
| 3Q20 | 18,268 | -23.7% |
| 2Q20 | 16,967 | -27.5% |
| 1Q20 | 21,643 | -3.2% |
| 4Q19 | 23,226 | +2.0% |
| 3Q19 | 23,949 | +4.6% |
| 2Q19 | 23,397 | +5.2% |
| 1Q19 | 22,350 | +3.9% |
| 4Q18 | 22,760 | +2.7% |
| 3Q18 | 22,900 | +2.0% |
| 2Q18 | 22,245 | +2.4% |
| 1Q18 | 21,502 | +2.3% |
| 4Q17 | 22,162 | +3.2% |
| 3Q17 | 22,461 | +1.9% |
| 2Q17 | 21,719 | +0.5% |
| 1Q17 | 21,018 | +0.6% |
| 4Q16 | 21,472 | +0.1% |
| 3Q16 | 22,052 | - |
| 2Q16 | 21,620 | - |
| 1Q16 | 20,898 | - |
| 4Q15 | 21,449 | - |