| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 4Q25 | 18,168 | +4.5% |
| 3Q25 | 17,546 | +3.7% |
| 2Q25 | 16,924 | +4.5% |
| 1Q25 | 17,382 | +8.1% |
| 4Q24 | 17,380 | +7.5% |
| 3Q24 | 16,912 | +13.0% |
| 2Q24 | 16,195 | +15.0% |
| 1Q24 | 16,076 | +5.3% |
| 4Q23 | 16,168 | +6.8% |
| 3Q23 | 14,968 | +4.3% |
| 2Q23 | 14,083 | -1.2% |
| 1Q23 | 15,274 | +4.7% |
| 4Q22 | 15,135 | -7.6% |
| 3Q22 | 14,351 | -8.8% |
| 2Q22 | 14,251 | -6.9% |
| 1Q22 | 14,590 | -4.6% |
| 4Q21 | 16,372 | +5.0% |
| 3Q21 | 15,730 | -0.4% |
| 2Q21 | 15,315 | -0.6% |
| 1Q21 | 15,288 | +2.2% |
| 4Q20 | 15,596 | -0.5% |
| 3Q20 | 15,791 | +5.6% |
| 2Q20 | 15,407 | +6.8% |
| 1Q20 | 14,959 | 0.0% |
| 4Q19 | 15,675 | +3.6% |
| 3Q19 | 14,955 | +3.3% |
| 2Q19 | 14,432 | +7.0% |
| 1Q19 | 14,955 | +8.4% |
| 4Q18 | 15,131 | +7.1% |
| 3Q18 | 14,473 | +6.6% |
| 2Q18 | 13,483 | +3.1% |
| 1Q18 | 13,800 | +1.6% |
| 4Q17 | 14,132 | +3.8% |
| 3Q17 | 13,575 | +2.0% |
| 2Q17 | 13,072 | -0.4% |
| 1Q17 | 13,581 | +0.3% |
| 4Q16 | 13,611 | - |
| 3Q16 | 13,312 | - |
| 2Q16 | 13,130 | - |
| 1Q16 | 13,545 | - |