| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 4Q25 | 29,005 | -8.8% |
| 3Q25 | 27,596 | -8.6% |
| 2Q25 | 27,338 | -13.1% |
| 1Q25 | 28,621 | +10.0% |
| 4Q24 | 31,820 | +10.1% |
| 3Q24 | 30,199 | +13.4% |
| 2Q24 | 31,450 | +13.5% |
| 1Q24 | 26,020 | -5.1% |
| 4Q23 | 28,902 | -6.4% |
| 3Q23 | 26,632 | +2.0% |
| 2Q23 | 27,703 | +6.6% |
| 1Q23 | 27,421 | +18.5% |
| 4Q22 | 30,889 | +21.9% |
| 3Q22 | 26,104 | +24.7% |
| 2Q22 | 25,998 | +23.9% |
| 1Q22 | 23,148 | +13.1% |
| 4Q21 | 25,347 | +22.7% |
| 3Q21 | 20,933 | +10.1% |
| 2Q21 | 20,980 | +10.3% |
| 1Q21 | 20,458 | +7.1% |
| 4Q20 | 20,655 | +12.9% |
| 3Q20 | 19,019 | +10.4% |
| 2Q20 | 19,014 | +8.6% |
| 1Q20 | 19,094 | +9.2% |
| 4Q19 | 18,289 | +2.5% |
| 3Q19 | 17,233 | +2.8% |
| 2Q19 | 17,511 | +2.1% |
| 1Q19 | 17,481 | +4.4% |
| 4Q18 | 17,849 | +13.9% |
| 3Q18 | 16,764 | +15.9% |
| 2Q18 | 17,143 | +19.0% |
| 1Q18 | 16,738 | +21.8% |
| 4Q17 | 15,668 | +15.5% |
| 3Q17 | 14,459 | +18.8% |
| 2Q17 | 14,409 | +13.4% |
| 1Q17 | 13,741 | +7.4% |
| 4Q16 | 13,561 | +2.7% |
| 3Q16 | 12,168 | - |
| 2Q16 | 12,707 | - |
| 1Q16 | 12,795 | - |
| 4Q15 | 13,207 | - |