| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 4Q25 | 1,927 | -4.7% |
| 3Q25 | 1,882 | -3.2% |
| 2Q25 | 1,939 | -3.4% |
| 1Q25 | 1,931 | -0.4% |
| 4Q24 | 2,022 | -1.6% |
| 3Q24 | 1,944 | -5.7% |
| 2Q24 | 2,008 | -8.6% |
| 1Q24 | 1,940 | -15.7% |
| 4Q23 | 2,056 | -21.0% |
| 3Q23 | 2,061 | -18.5% |
| 2Q23 | 2,196 | -9.9% |
| 1Q23 | 2,301 | -7.7% |
| 4Q22 | 2,603 | -5.5% |
| 3Q22 | 2,530 | -10.4% |
| 2Q22 | 2,438 | -8.4% |
| 1Q22 | 2,493 | +0.5% |
| 4Q21 | 2,756 | -15.4% |
| 3Q21 | 2,822 | -13.5% |
| 2Q21 | 2,662 | -16.9% |
| 1Q21 | 2,480 | -21.0% |
| 4Q20 | 3,258 | +3.1% |
| 3Q20 | 3,264 | +6.1% |
| 2Q20 | 3,204 | +4.7% |
| 1Q20 | 3,139 | +6.0% |
| 4Q19 | 3,159 | +2.7% |
| 3Q19 | 3,077 | - |
| 2Q19 | 3,061 | -0.2% |
| 1Q19 | 2,962 | -0.4% |
| 4Q18 | 3,076 | -4.3% |
| 2Q18 | 3,067 | -8.2% |
| 1Q18 | 2,974 | -9.9% |
| 4Q17 | 3,213 | -6.2% |
| 3Q17 | 3,241 | -10.7% |
| 2Q17 | 3,341 | - |
| 1Q17 | 3,299 | - |
| 4Q16 | 3,426 | - |
| 3Q16 | 3,629 | - |