| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 4Q25 | 19,393 | -7.7% |
| 3Q25 | 18,241 | +1.6% |
| 2Q25 | 18,460 | +5.2% |
| 1Q25 | 16,949 | +3.4% |
| 4Q24 | 21,011 | +16.9% |
| 3Q24 | 17,959 | +14.9% |
| 2Q24 | 17,541 | +13.0% |
| 1Q24 | 16,396 | +22.2% |
| 4Q23 | 17,966 | +14.3% |
| 3Q23 | 15,628 | +4.0% |
| 2Q23 | 15,522 | +3.4% |
| 1Q23 | 13,419 | -0.5% |
| 4Q22 | 15,714 | +5.1% |
| 3Q22 | 15,023 | +6.6% |
| 2Q22 | 15,013 | +10.5% |
| 1Q22 | 13,482 | +2.3% |
| 4Q21 | 14,952 | +4.5% |
| 3Q21 | 14,091 | +8.8% |
| 2Q21 | 13,585 | +2.6% |
| 1Q21 | 13,180 | +5.0% |
| 4Q20 | 14,313 | +4.9% |
| 3Q20 | 12,951 | -3.4% |
| 2Q20 | 13,244 | - |
| 1Q20 | 12,551 | - |
| 4Q19 | 13,647 | -34.0% |
| 3Q19 | 13,408 | -37.2% |
| 4Q18 | 20,682 | -4.0% |
| 3Q18 | 21,361 | -4.4% |
| 2Q18 | 21,465 | -3.4% |
| 1Q18 | 19,140 | +4.2% |
| 4Q17 | 21,553 | +7.2% |
| 3Q17 | 22,346 | +5.1% |
| 2Q17 | 22,227 | +8.9% |
| 1Q17 | 18,377 | +1.0% |
| 4Q16 | 20,112 | +3.6% |
| 3Q16 | 21,266 | -0.1% |
| 2Q16 | 20,404 | - |
| 1Q16 | 18,199 | - |
| 4Q15 | 19,415 | - |
| 3Q15 | 21,285 | - |