| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 4Q25 | 24,775 | +7.2% |
| 3Q25 | 23,723 | +8.0% |
| 2Q25 | 22,789 | +2.4% |
| 1Q25 | 22,031 | +3.9% |
| 4Q24 | 23,109 | +6.1% |
| 3Q24 | 21,956 | +9.7% |
| 2Q24 | 22,246 | +14.4% |
| 1Q24 | 21,203 | +12.5% |
| 4Q23 | 21,782 | +6.8% |
| 3Q23 | 20,009 | +12.5% |
| 2Q23 | 19,453 | +12.5% |
| 1Q23 | 18,842 | +22.6% |
| 4Q22 | 20,395 | +24.9% |
| 3Q22 | 17,782 | +17.7% |
| 2Q22 | 17,284 | +12.1% |
| 1Q22 | 15,369 | +7.4% |
| 4Q21 | 16,330 | +10.9% |
| 3Q21 | 15,114 | +11.0% |
| 2Q21 | 15,418 | +14.2% |
| 1Q21 | 14,313 | -3.9% |
| 4Q20 | 14,731 | -10.0% |
| 3Q20 | 13,614 | -9.8% |
| 2Q20 | 13,499 | -12.2% |
| 1Q20 | 14,893 | +0.1% |
| 4Q19 | 16,369 | +2.4% |
| 3Q19 | 15,085 | -4.5% |
| 2Q19 | 15,370 | +2.6% |
| 1Q19 | 14,877 | +3.9% |
| 4Q18 | 15,993 | +2.0% |
| 3Q18 | 15,803 | +13.9% |
| 2Q18 | 14,984 | +8.9% |
| 1Q18 | 14,320 | +8.9% |
| 4Q17 | 15,677 | +17.5% |
| 3Q17 | 13,869 | +14.4% |
| 2Q17 | 13,762 | +7.2% |
| 1Q17 | 13,149 | +1.5% |
| 4Q16 | 13,342 | -0.3% |
| 3Q16 | 12,121 | - |
| 2Q16 | 12,842 | - |
| 1Q16 | 12,949 | - |
| 4Q15 | 13,377 | - |