| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 4Q25 | 6,337 | -10.4% |
| 3Q25 | 6,713 | -5.9% |
| 2Q25 | 6,936 | -7.8% |
| 1Q25 | 7,250 | -6.4% |
| 4Q24 | 7,072 | -11.7% |
| 3Q24 | 7,131 | -7.1% |
| 2Q24 | 7,520 | -5.0% |
| 1Q24 | 7,743 | -3.5% |
| 4Q23 | 8,011 | -2.1% |
| 3Q23 | 7,675 | -7.5% |
| 2Q23 | 7,912 | -7.6% |
| 1Q23 | 8,020 | -10.6% |
| 4Q22 | 8,182 | -6.1% |
| 3Q22 | 8,294 | -5.6% |
| 2Q22 | 8,561 | -9.2% |
| 1Q22 | 8,973 | +6.6% |
| 4Q21 | 8,712 | -11.4% |
| 3Q21 | 8,782 | -13.5% |
| 2Q21 | 9,424 | -10.5% |
| 1Q21 | 8,420 | -24.1% |
| 4Q20 | 9,835 | -4.7% |
| 3Q20 | 10,150 | -3.2% |
| 2Q20 | 10,528 | -3.6% |
| 1Q20 | 11,093 | -5.2% |
| 4Q19 | 10,324 | -1.6% |
| 3Q19 | 10,481 | -3.6% |
| 2Q19 | 10,918 | +1.4% |
| 1Q19 | 11,700 | +0.9% |
| 4Q18 | 10,489 | +0.5% |
| 3Q18 | 10,875 | -0.8% |
| 2Q18 | 10,764 | -1.0% |
| 1Q18 | 11,598 | +0.5% |
| 4Q17 | 10,432 | -2.3% |
| 3Q17 | 10,963 | -1.5% |
| 2Q17 | 10,874 | - |
| 1Q17 | 11,546 | - |
| 4Q16 | 10,674 | - |
| 3Q16 | 11,127 | - |