| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 4Q25 | 32,651 | -0.8% |
| 3Q25 | 30,093 | -0.7% |
| 2Q25 | 29,932 | -4.3% |
| 1Q25 | 29,894 | -0.9% |
| 4Q24 | 32,928 | -3.1% |
| 3Q24 | 30,313 | -0.1% |
| 2Q24 | 31,293 | -1.8% |
| 1Q24 | 30,168 | +1.1% |
| 4Q23 | 33,970 | +4.5% |
| 3Q23 | 30,334 | -0.9% |
| 2Q23 | 31,854 | +4.0% |
| 1Q23 | 29,838 | +3.1% |
| 4Q22 | 32,498 | -6.3% |
| 3Q22 | 30,623 | -3.9% |
| 2Q22 | 30,634 | -8.9% |
| 1Q22 | 28,933 | -11.9% |
| 4Q21 | 34,693 | -4.9% |
| 3Q21 | 31,852 | +0.4% |
| 2Q21 | 33,634 | +11.6% |
| 1Q21 | 32,854 | -3.9% |
| 4Q20 | 36,491 | -5.0% |
| 3Q20 | 31,734 | -15.0% |
| 2Q20 | 30,149 | -23.5% |
| 1Q20 | 34,204 | -9.2% |
| 4Q19 | 38,426 | -14.7% |
| 3Q19 | 37,342 | -7.1% |
| 2Q19 | 39,434 | -6.5% |
| 1Q19 | 37,655 | -6.2% |
| 4Q18 | 45,033 | -2.0% |
| 3Q18 | 40,212 | -0.4% |
| 2Q18 | 42,174 | +5.7% |
| 1Q18 | 40,137 | +6.7% |
| 4Q17 | 45,939 | +15.6% |
| 3Q17 | 40,376 | +11.3% |
| 2Q17 | 39,881 | +4.2% |
| 1Q17 | 37,626 | +3.4% |
| 4Q16 | 39,753 | -6.0% |
| 3Q16 | 36,264 | - |
| 2Q16 | 38,285 | - |
| 1Q16 | 36,400 | - |
| 4Q15 | 42,303 | - |