| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 3Q17 | 39.78 | -38.5% |
| 2Q17 | 39.5 | -35.8% |
| 1Q17 | 57.32 | +0.5% |
| 4Q16 | 59.27 | -0.2% |
| 3Q16 | 64.63 | +4.6% |
| 2Q16 | 61.49 | -1.5% |
| 1Q16 | 57.05 | -10.9% |
| 4Q15 | 59.4 | -8.6% |
| 3Q15 | 61.77 | -3.4% |
| 2Q15 | 62.45 | -7.9% |
| 1Q15 | 64.05 | -7.5% |
| 4Q14 | 65.01 | -15.9% |
| 3Q14 | 63.91 | -9.5% |
| 2Q14 | 67.82 | -6.8% |
| 1Q14 | 69.22 | -14.1% |
| 4Q13 | 77.29 | +9.9% |
| 3Q13 | 70.6 | +22.0% |
| 2Q13 | 72.75 | +6.3% |
| 1Q13 | 80.6 | +12.3% |
| 4Q12 | 70.34 | +4.4% |
| 3Q12 | 57.86 | -9.0% |
| 2Q12 | 68.46 | +10.0% |
| 1Q12 | 71.79 | +16.9% |
| 4Q11 | 67.35 | -0.1% |
| 3Q11 | 63.58 | -11.2% |
| 2Q11 | 62.24 | -15.7% |
| 1Q11 | 61.42 | - |
| 4Q10 | 67.44 | - |
| 3Q10 | 71.61 | - |
| 2Q10 | 73.8 | - |