| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 4Q25 | 19,133 | -1.7% |
| 3Q25 | 17,765 | +10.5% |
| 2Q25 | 18,747 | +18.0% |
| 1Q25 | 16,655 | +16.0% |
| 4Q24 | 19,473 | +15.7% |
| 3Q24 | 16,080 | +9.2% |
| 2Q24 | 15,894 | +3.7% |
| 1Q24 | 14,356 | +0.9% |
| 4Q23 | 16,825 | +5.7% |
| 3Q23 | 14,725 | -2.4% |
| 2Q23 | 15,324 | +0.5% |
| 1Q23 | 14,225 | -1.8% |
| 4Q22 | 15,925 | -0.2% |
| 3Q22 | 15,082 | +2.5% |
| 2Q22 | 15,244 | +11.3% |
| 1Q22 | 14,479 | +2.5% |
| 4Q21 | 15,950 | -15.0% |
| 3Q21 | 14,718 | -6.8% |
| 2Q21 | 13,701 | -7.2% |
| 1Q21 | 14,132 | -9.1% |
| 4Q20 | 18,769 | +4.6% |
| 3Q20 | 15,787 | -3.9% |
| 2Q20 | 14,767 | -10.4% |
| 1Q20 | 15,552 | +0.1% |
| 4Q19 | 17,943 | +4.1% |
| 3Q19 | 16,434 | +7.1% |
| 2Q19 | 16,481 | +1.3% |
| 1Q19 | 15,543 | -8.5% |
| 4Q18 | 17,238 | -1.5% |
| 3Q18 | 15,349 | +13.1% |
| 2Q18 | 16,262 | -1.5% |
| 1Q18 | 16,987 | -10.0% |
| 4Q17 | 17,509 | -9.2% |
| 3Q17 | 13,577 | -24.1% |
| 2Q17 | 16,508 | - |
| 1Q17 | 18,870 | - |
| 4Q16 | 19,275 | - |
| 3Q16 | 17,877 | - |