| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 1Q26 | 1,031 | -1.4% |
| 4Q25 | 1,047 | -0.5% |
| 1Q25 | 1,046 | -0.4% |
| 4Q24 | 1,052 | 0.0% |
| 3Q24 | 1,039 | +1.9% |
| 2Q24 | 1,021 | -0.5% |
| 1Q24 | 1,050 | +0.8% |
| 4Q23 | 1,052 | -3.3% |
| 3Q23 | 1,019 | -4.4% |
| 2Q23 | 1,026 | -0.5% |
| 1Q23 | 1,042 | +8.1% |
| 4Q22 | 1,088 | +11.3% |
| 3Q22 | 1,066 | +12.4% |
| 2Q22 | 1,031 | +7.7% |
| 1Q22 | 964 | -1.6% |
| 4Q21 | 977 | -5.2% |
| 3Q21 | 949 | -3.5% |
| 2Q21 | 957 | -2.8% |
| 1Q21 | 980 | -0.8% |
| 4Q20 | 1,031 | +2.3% |
| 3Q20 | 983 | -0.5% |
| 2Q20 | 985 | +1.0% |
| 1Q20 | 987 | +1.1% |
| 4Q19 | 1,007 | +0.8% |
| 3Q19 | 988 | +4.3% |
| 2Q19 | 975 | -2.8% |
| 1Q19 | 976 | -6.1% |
| 4Q18 | 1,000 | -4.9% |
| 3Q18 | 947 | -3.3% |
| 2Q18 | 1,003 | +4.5% |
| 1Q18 | 1,040 | +6.0% |
| 4Q17 | 1,052 | +12.0% |
| 3Q17 | 979 | +9.7% |
| 2Q17 | 960 | +5.0% |
| 1Q17 | 981 | +5.4% |
| 4Q16 | 939 | +2.6% |
| 3Q16 | 892 | - |
| 2Q16 | 915 | - |
| 1Q16 | 931 | - |
| 4Q15 | 915 | - |