| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 4Q25 | 913 | -12.2% |
| 3Q25 | 1,090 | -4.3% |
| 2Q25 | 1,133 | +5.5% |
| 1Q25 | 1,061 | +2.4% |
| 4Q24 | 1,041 | -0.9% |
| 3Q24 | 1,139 | +22.9% |
| 2Q24 | 1,074 | +10.8% |
| 1Q24 | 1,036 | +12.9% |
| 4Q23 | 1,050 | +4.8% |
| 3Q23 | 927 | -0.2% |
| 2Q23 | 970 | +6.7% |
| 1Q23 | 918 | +7.9% |
| 4Q22 | 1,002 | +2.4% |
| 3Q22 | 929 | -5.6% |
| 2Q22 | 908 | -8.4% |
| 1Q22 | 850 | -12.3% |
| 4Q21 | 979 | -3.8% |
| 3Q21 | 984 | -5.5% |
| 2Q21 | 992 | -4.7% |
| 1Q21 | 970 | -7.7% |
| 4Q20 | 1,017 | -3.9% |
| 3Q20 | 1,042 | -1.1% |
| 2Q20 | 1,041 | -3.4% |
| 1Q20 | 1,051 | +1.3% |
| 4Q19 | 1,059 | -6.3% |
| 3Q19 | 1,053 | -9.3% |
| 2Q19 | 1,077 | -5.7% |
| 1Q19 | 1,037 | -8.9% |
| 4Q18 | 1,130 | -4.4% |
| 3Q18 | 1,161 | -7.5% |
| 2Q18 | 1,141 | +5.5% |
| 1Q18 | 1,138 | +6.8% |
| 4Q17 | 1,182 | +12.2% |
| 3Q17 | 1,255 | +19.3% |
| 2Q17 | 1,082 | +4.6% |
| 1Q17 | 1,066 | +1.2% |
| 4Q16 | 1,053 | +1.2% |
| 3Q16 | 1,052 | - |
| 2Q16 | 1,035 | - |
| 1Q16 | 1,054 | - |
| 4Q15 | 1,041 | - |