| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 1Q24 | 18.2 | -46.7% |
| 3Q23 | 25.5 | -37.2% |
| 2Q23 | 30.6 | +140.2% |
| 1Q23 | 34.2 | +53.1% |
| 3Q22 | 40.6 | +20.9% |
| 2Q22 | 12.7 | -46.1% |
| 1Q22 | 22.3 | -17.5% |
| 3Q21 | 33.6 | +32.6% |
| 2Q21 | 23.6 | +18.5% |
| 1Q21 | 27.1 | -237.8% |
| 3Q20 | 25.3 | -18.0% |
| 2Q20 | 19.9 | -30.6% |
| 1Q20 | -19.6 | -179.7% |
| 4Q19 | 26.6 | +2.5% |
| 3Q19 | 30.9 | -0.1% |
| 2Q19 | 28.7 | -26.1% |
| 1Q19 | 24.6 | -10.3% |
| 4Q18 | 26.0 | -24.5% |
| 3Q18 | 31.0 | +11.5% |
| 2Q18 | 38.8 | +22.5% |
| 1Q18 | 27.5 | -9.9% |
| 4Q17 | 34.4 | +1.6% |
| 3Q17 | 27.8 | -12.4% |
| 2Q17 | 31.7 | +9.5% |
| 1Q17 | 30.5 | +11.8% |
| 4Q16 | 33.9 | +23.4% |
| 3Q16 | 31.7 | +2.8% |
| 2Q16 | 28.9 | -4.8% |
| 1Q16 | 27.3 | +8.2% |
| 4Q15 | 27.5 | -11.2% |
| 3Q15 | 30.8 | -14.2% |
| 2Q15 | 30.4 | -4.2% |
| 1Q15 | 25.2 | -20.9% |
| 4Q14 | 30.9 | +7.4% |
| 3Q14 | 36.0 | +15.9% |
| 2Q14 | 31.7 | +0.5% |
| 1Q14 | 31.8 | -0.8% |
| 4Q13 | 28.8 | +1.8% |
| 3Q13 | 31.0 | +51.2% |
| 2Q13 | 31.6 | -1.7% |
| 1Q13 | 32.1 | +21.3% |
| 4Q12 | 28.3 | - |
| 3Q12 | 20.5 | +361.4% |
| 2Q12 | 32.1 | +51.2% |
| 1Q12 | 26.5 | - |
| 3Q11 | 4.4 | - |
| 2Q11 | 21.2 | - |