| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 4Q25 | 6,087 | -12.6% |
| 3Q25 | 5,399 | -11.9% |
| 2Q25 | 6,349 | -13.2% |
| 1Q25 | 6,086 | -7.6% |
| 4Q24 | 6,966 | -5.9% |
| 3Q24 | 6,125 | -1.4% |
| 2Q24 | 7,315 | -11.9% |
| 1Q24 | 6,586 | -20.8% |
| 4Q23 | 7,399 | -25.2% |
| 3Q23 | 6,209 | -26.1% |
| 2Q23 | 8,300 | -12.4% |
| 1Q23 | 8,315 | -1.2% |
| 4Q22 | 9,890 | +0.7% |
| 3Q22 | 8,403 | +11.3% |
| 2Q22 | 9,478 | +3.1% |
| 1Q22 | 8,419 | -13.9% |
| 4Q21 | 9,826 | -16.2% |
| 3Q21 | 7,548 | -16.9% |
| 2Q21 | 9,194 | -17.4% |
| 1Q21 | 9,774 | -9.2% |
| 4Q20 | 11,727 | -10.0% |
| 3Q20 | 9,085 | -8.7% |
| 2Q20 | 11,131 | +1.4% |
| 1Q20 | 10,759 | +3.0% |
| 4Q19 | 13,036 | -5.7% |
| 3Q19 | 9,946 | -14.1% |
| 2Q19 | 10,981 | -21.2% |
| 1Q19 | 10,445 | -19.9% |
| 4Q18 | 13,828 | -10.5% |
| 3Q18 | 11,579 | -12.1% |
| 2Q18 | 13,937 | -11.8% |
| 1Q18 | 13,044 | -9.5% |
| 4Q17 | 15,457 | -0.8% |
| 3Q17 | 13,169 | -0.9% |
| 2Q17 | 15,809 | -2.3% |
| 1Q17 | 14,413 | -8.5% |
| 4Q16 | 15,583 | -8.9% |
| 3Q16 | 13,284 | - |
| 2Q16 | 16,174 | - |
| 1Q16 | 15,750 | - |
| 4Q15 | 17,109 | - |