| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 1Q18 | 9.54 | +13.0% |
| 4Q17 | 9.39 | +17.1% |
| 3Q17 | 9.83 | +22.1% |
| 2Q17 | 8.44 | +4.1% |
| 1Q17 | 8.44 | +3.1% |
| 4Q16 | 8.01 | -2.2% |
| 3Q16 | 8.06 | -21.8% |
| 2Q16 | 8.1 | +16.3% |
| 1Q16 | 8.19 | +20.6% |
| 4Q15 | 8.2 | +25.8% |
| 3Q15 | 10.3 | +67.0% |
| 2Q15 | 6.97 | +26.5% |
| 1Q15 | 6.79 | +33.3% |
| 4Q14 | 6.51 | -17.0% |
| 3Q14 | 6.16 | -8.5% |
| 2Q14 | 5.51 | -19.8% |
| 1Q14 | 5.1 | -21.5% |
| 4Q13 | 7.85 | +20.2% |
| 3Q13 | 6.74 | +24.2% |
| 2Q13 | 6.87 | -27.6% |
| 1Q13 | 6.49 | -33.0% |
| 4Q12 | 6.53 | -33.6% |
| 3Q12 | 5.42 | -9.4% |
| 2Q12 | 9.49 | +57.2% |
| 1Q12 | 9.7 | +59.8% |
| 4Q11 | 9.83 | +56.9% |
| 3Q11 | 5.99 | +36.4% |
| 2Q11 | 6.04 | +37.2% |
| 1Q11 | 6.07 | - |
| 4Q10 | 6.26 | - |
| 3Q10 | 4.39 | - |
| 2Q10 | 4.4 | - |