| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 3Q26 | 24,899 | -11.5% |
| 2Q26 | 25,217 | -14.0% |
| 1Q26 | 25,579 | -9.7% |
| 4Q25 | 28,532 | +2.9% |
| 3Q25 | 28,124 | +15.7% |
| 2Q25 | 29,338 | +11.8% |
| 1Q25 | 28,330 | +17.6% |
| 4Q24 | 27,731 | +1.4% |
| 3Q24 | 24,304 | -4.6% |
| 2Q24 | 26,235 | +6.1% |
| 1Q24 | 24,095 | +1.3% |
| 4Q23 | 27,348 | -2.9% |
| 3Q23 | 25,488 | +20.7% |
| 2Q23 | 24,733 | +16.7% |
| 1Q23 | 23,775 | +16.7% |
| 4Q22 | 28,158 | +38.8% |
| 3Q22 | 21,117 | +8.9% |
| 2Q22 | 21,200 | +5.8% |
| 1Q22 | 20,366 | +4.7% |
| 4Q21 | 20,281 | -3.8% |
| 3Q21 | 19,386 | -5.7% |
| 2Q21 | 20,035 | +1.2% |
| 1Q21 | 19,444 | -6.6% |
| 4Q20 | 21,092 | -7.1% |
| 3Q20 | 20,547 | -6.8% |
| 2Q20 | 19,802 | -9.0% |
| 1Q20 | 20,828 | -4.6% |
| 4Q19 | 22,716 | +0.1% |
| 3Q19 | 22,041 | -0.3% |
| 2Q19 | 21,769 | +2.4% |
| 1Q19 | 21,826 | +1.7% |
| 4Q18 | 22,692 | -2.5% |
| 3Q18 | 22,103 | +5.1% |
| 2Q18 | 21,252 | +7.9% |
| 1Q18 | 21,463 | +1.1% |
| 4Q17 | 23,267 | +9.2% |
| 3Q17 | 21,027 | -3.9% |
| 2Q17 | 19,689 | - |
| 1Q17 | 21,232 | - |
| 4Q16 | 21,312 | - |
| 3Q16 | 21,875 | - |