| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 1Q24 | 13.0 | -44.8% |
| 3Q23 | 16.7 | -48.4% |
| 2Q23 | 21.3 | -34.1% |
| 1Q23 | 23.6 | -18.0% |
| 3Q22 | 32.4 | +2.3% |
| 2Q22 | 32.3 | +1.9% |
| 1Q22 | 28.7 | +139.0% |
| 3Q21 | 31.7 | +296.5% |
| 2Q21 | 31.7 | +402.7% |
| 1Q21 | 12.0 | +49.3% |
| 3Q20 | 8.0 | +20.2% |
| 2Q20 | 6.3 | -8.1% |
| 1Q20 | 8.0 | +45.5% |
| 3Q19 | 6.6 | -26.7% |
| 2Q19 | 6.9 | -1.1% |
| 1Q19 | 5.5 | +7.8% |
| 3Q18 | 9.1 | +31.7% |
| 2Q18 | 6.9 | +22.2% |
| 1Q18 | 5.1 | -30.0% |
| 3Q17 | 6.9 | +79.2% |
| 2Q17 | 5.7 | +13.8% |
| 1Q17 | 7.3 | +28.8% |
| 3Q16 | 3.8 | -54.7% |
| 2Q16 | 5.0 | -25.7% |
| 1Q16 | 5.7 | -13.7% |
| 3Q15 | 8.5 | +51.6% |
| 2Q15 | 6.7 | +35.2% |
| 1Q15 | 6.6 | +9.2% |
| 3Q14 | 5.6 | -16.5% |
| 2Q14 | 5.0 | -39.9% |
| 1Q14 | 6.0 | +74.7% |
| 3Q13 | 6.7 | +114.6% |
| 2Q13 | 8.3 | +438.0% |
| 1Q13 | 3.5 | +3.1% |
| 3Q12 | 3.1 | -53.2% |
| 2Q12 | 1.5 | -67.3% |
| 1Q12 | 3.4 | - |
| 3Q11 | 6.7 | - |
| 2Q11 | 4.7 | - |