| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 4Q25 | 31,944 | +11.4% |
| 3Q25 | 28,238 | +5.8% |
| 2Q25 | 29,095 | +4.5% |
| 1Q25 | 28,945 | +4.5% |
| 4Q24 | 28,664 | +8.2% |
| 3Q24 | 26,689 | +7.5% |
| 2Q24 | 27,829 | +7.3% |
| 1Q24 | 27,710 | +5.3% |
| 4Q23 | 26,502 | +5.7% |
| 3Q23 | 24,823 | +4.3% |
| 2Q23 | 25,933 | +10.0% |
| 1Q23 | 26,303 | +5.6% |
| 4Q22 | 25,067 | +2.1% |
| 3Q22 | 23,796 | +4.6% |
| 2Q22 | 23,583 | -1.2% |
| 1Q22 | 24,904 | +1.5% |
| 4Q21 | 24,542 | +4.8% |
| 3Q21 | 22,760 | +5.4% |
| 2Q21 | 23,860 | +10.3% |
| 1Q21 | 24,541 | -5.3% |
| 4Q20 | 23,413 | -3.0% |
| 3Q20 | 21,604 | -7.2% |
| 2Q20 | 21,640 | -12.2% |
| 1Q20 | 25,922 | +3.2% |
| 4Q19 | 24,140 | +0.3% |
| 3Q19 | 23,288 | +3.4% |
| 2Q19 | 24,637 | +4.1% |
| 1Q19 | 25,125 | +4.4% |
| 4Q18 | 24,071 | +2.3% |
| 3Q18 | 22,531 | +1.8% |
| 2Q18 | 23,662 | +2.5% |
| 1Q18 | 24,070 | +1.2% |
| 4Q17 | 23,540 | +3.0% |
| 3Q17 | 22,122 | +3.2% |
| 2Q17 | 23,084 | +3.4% |
| 1Q17 | 23,789 | +1.6% |
| 4Q16 | 22,860 | +2.4% |
| 3Q16 | 21,429 | - |
| 2Q16 | 22,323 | - |
| 1Q16 | 23,414 | - |
| 4Q15 | 22,315 | - |