| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 3Q21 | 5.3 | +26.2% |
| 2Q21 | 15.7 | +287.0% |
| 1Q21 | -13.0 | -590.0% |
| 3Q20 | 4.2 | -337.3% |
| 2Q20 | 4.1 | -103.7% |
| 1Q20 | 2.7 | -117.3% |
| 3Q19 | -1.8 | -114.7% |
| 2Q19 | -110.1 | -2855.8% |
| 1Q19 | -15.3 | -315.9% |
| 3Q18 | 12.0 | -3.9% |
| 2Q18 | 4.0 | -82.9% |
| 1Q18 | 7.1 | -68.5% |
| 4Q17 | 2.3 | -92.2% |
| 3Q17 | 12.5 | -44.3% |
| 2Q17 | 23.4 | +30.5% |
| 1Q17 | 22.5 | +144.4% |
| 4Q16 | 30.0 | +91.7% |
| 3Q16 | 22.4 | +81.9% |
| 2Q16 | 17.9 | -0.4% |
| 1Q16 | 9.2 | -52.8% |
| 4Q15 | 15.7 | -51.6% |
| 3Q15 | 12.3 | -62.8% |
| 2Q15 | 18.0 | -43.1% |
| 1Q15 | 19.5 | +38.2% |
| 4Q14 | 32.3 | +285.4% |
| 3Q14 | 33.1 | +48.4% |
| 2Q14 | 31.7 | +27.4% |
| 1Q14 | 14.1 | -45.7% |
| 4Q13 | 8.4 | - |
| 3Q13 | 22.3 | -2.9% |
| 2Q13 | 24.9 | -37.2% |
| 1Q13 | 26.0 | +64.9% |
| 3Q12 | 23.0 | -791.7% |
| 2Q12 | 39.6 | -252.1% |
| 1Q12 | 15.8 | - |
| 3Q11 | -3.3 | - |
| 2Q11 | -26.0 | - |