| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 1Q26 | 17,653 | +5.0% |
| 4Q25 | 18,234 | -10.0% |
| 3Q25 | 17,112 | -11.2% |
| 2Q25 | 17,040 | -12.7% |
| 1Q25 | 16,810 | -11.5% |
| 4Q24 | 20,255 | +1.3% |
| 3Q24 | 19,270 | +1.3% |
| 2Q24 | 19,508 | +1.7% |
| 1Q24 | 18,997 | +0.3% |
| 4Q23 | 20,000 | +5.8% |
| 3Q23 | 19,025 | +17.6% |
| 2Q23 | 19,180 | +16.3% |
| 1Q23 | 18,943 | +18.2% |
| 4Q22 | 18,898 | +14.5% |
| 3Q22 | 16,174 | +5.5% |
| 2Q22 | 16,496 | +2.2% |
| 1Q22 | 16,020 | +6.5% |
| 4Q21 | 16,511 | +1.1% |
| 3Q21 | 15,328 | -5.8% |
| 2Q21 | 16,145 | -2.0% |
| 1Q21 | 15,044 | -11.6% |
| 4Q20 | 16,337 | -3.0% |
| 3Q20 | 16,278 | +1.8% |
| 2Q20 | 16,470 | +4.1% |
| 1Q20 | 17,026 | +2.6% |
| 4Q19 | 16,837 | +3.1% |
| 3Q19 | 15,983 | +7.7% |
| 2Q19 | 15,826 | +4.9% |
| 1Q19 | 16,599 | +16.7% |
| 4Q18 | 16,332 | +21.2% |
| 3Q18 | 14,844 | +19.3% |
| 2Q18 | 15,091 | +15.6% |
| 1Q18 | 14,222 | +8.1% |
| 4Q17 | 13,476 | +8.0% |
| 3Q17 | 12,447 | +2.8% |
| 2Q17 | 13,049 | +15.5% |
| 1Q17 | 13,156 | +0.7% |
| 4Q16 | 12,474 | - |
| 3Q16 | 12,112 | - |
| 2Q16 | 11,301 | - |
| 1Q16 | 13,061 | - |