| （単位：百万） | 営業費用 | 前年比（％） |
|---|---|---|
| 4Q25 | 2,310 | -0.2% |
| 3Q25 | 2,325 | -0.9% |
| 2Q25 | 2,356 | +0.9% |
| 1Q25 | 2,478 | +4.5% |
| 4Q24 | 2,314 | -0.9% |
| 3Q24 | 2,346 | +8.3% |
| 2Q24 | 2,336 | +4.8% |
| 1Q24 | 2,371 | +65.0% |
| 4Q23 | 2,334 | +58.5% |
| 3Q23 | 2,166 | +57.5% |
| 2Q23 | 2,230 | +67.2% |
| 1Q23 | 1,437 | +10.3% |
| 4Q22 | 1,473 | +21.9% |
| 3Q22 | 1,375 | +17.7% |
| 2Q22 | 1,334 | +8.1% |
| 1Q22 | 1,303 | +10.5% |
| 4Q21 | 1,208 | - |
| 3Q21 | 1,168 | +7.7% |
| 2Q21 | 1,234 | +20.7% |
| 1Q21 | 1,179 | -2.5% |
| 3Q20 | 1,084 | -2.3% |
| 2Q20 | 1,022 | -11.5% |
| 1Q20 | 1,209 | -1.2% |
| 4Q19 | 1,179 | +4.2% |
| 3Q19 | 1,110 | +0.2% |
| 2Q19 | 1,155 | +2.8% |
| 1Q19 | 1,224 | +9.1% |
| 4Q18 | 1,132 | +17.9% |
| 3Q18 | 1,108 | +22.4% |
| 2Q18 | 1,123 | +16.5% |
| 1Q18 | 1,122 | +20.4% |
| 4Q17 | 960 | +4.3% |
| 3Q17 | 905 | +0.9% |
| 2Q17 | 964 | +7.2% |
| 1Q17 | 932 | -0.6% |
| 4Q16 | 920 | - |
| 3Q16 | 897 | - |
| 2Q16 | 899 | - |
| 1Q16 | 938 | - |