| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 4Q25 | 18,858 | +7.8% |
| 3Q25 | 16,194 | +12.4% |
| 2Q25 | 18,037 | +3.5% |
| 1Q25 | 13,556 | +2.6% |
| 4Q24 | 17,493 | +23.1% |
| 3Q24 | 14,409 | +3.0% |
| 2Q24 | 17,427 | +3.5% |
| 1Q24 | 13,214 | +8.1% |
| 4Q23 | 14,208 | +1.7% |
| 3Q23 | 13,986 | +6.9% |
| 2Q23 | 16,840 | +5.6% |
| 1Q23 | 12,220 | +1.5% |
| 4Q22 | 13,965 | -34.7% |
| 3Q22 | 13,078 | -24.2% |
| 2Q22 | 15,948 | -17.4% |
| 1Q22 | 12,043 | -12.3% |
| 4Q21 | 21,388 | +9.1% |
| 3Q21 | 17,242 | +6.6% |
| 2Q21 | 19,307 | +9.0% |
| 1Q21 | 13,729 | -2.2% |
| 4Q20 | 19,606 | +17.1% |
| 3Q20 | 16,176 | +3.9% |
| 2Q20 | 17,719 | -4.3% |
| 1Q20 | 14,034 | -10.4% |
| 4Q19 | 16,750 | +6.3% |
| 3Q19 | 15,573 | -5.2% |
| 2Q19 | 18,518 | -2.1% |
| 1Q19 | 15,660 | +2.8% |
| 4Q18 | 15,761 | -6.8% |
| 3Q18 | 16,429 | +6.6% |
| 2Q18 | 18,910 | +7.9% |
| 1Q18 | 15,240 | +10.3% |
| 4Q17 | 16,902 | +1.8% |
| 3Q17 | 15,405 | +14.3% |
| 2Q17 | 17,523 | +10.9% |
| 1Q17 | 13,815 | +13.1% |
| 4Q16 | 16,596 | +9.3% |
| 3Q16 | 13,474 | - |
| 2Q16 | 15,803 | - |
| 1Q16 | 12,212 | - |
| 4Q15 | 15,182 | - |