| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 4Q21 | 9.1 | - |
| 3Q21 | 15.1 | +83.3% |
| 2Q21 | 16.0 | +77.9% |
| 1Q21 | 16.7 | +73.9% |
| 4Q21 | 7.2 | -28.7% |
| 3Q20 | 8.2 | -22.9% |
| 2Q20 | 9.0 | -19.4% |
| 1Q20 | 9.6 | -17.9% |
| 4Q19 | 10.1 | -17.1% |
| 3Q19 | 10.7 | -16.4% |
| 2Q19 | 11.2 | -18.1% |
| 1Q19 | 11.7 | -17.9% |
| 4Q18 | 12.2 | -17.6% |
| 3Q18 | 12.8 | -17.9% |
| 2Q18 | 13.6 | -15.3% |
| 1Q18 | 14.3 | -13.4% |
| 4Q17 | 14.8 | -13.7% |
| 3Q17 | 15.6 | -11.3% |
| 2Q17 | 16.1 | -13.3% |
| 1Q17 | 16.5 | -15.6% |
| 4Q16 | 17.2 | -16.8% |
| 3Q16 | 17.5 | -20.6% |
| 2Q16 | 18.6 | -20.8% |
| 1Q16 | 19.5 | -20.8% |
| 4Q15 | 20.7 | -19.6% |
| 3Q15 | 22.1 | -30.5% |
| 2Q15 | 23.5 | -29.2% |
| 1Q15 | 24.7 | -28.1% |
| 4Q14 | 25.7 | -27.1% |
| 3Q14 | 31.8 | -11.4% |
| 2Q14 | 33.2 | -9.7% |
| 1Q14 | 34.3 | -9.2% |
| 4Q13 | 35.3 | -8.3% |
| 3Q13 | 35.9 | -17.2% |
| 2Q13 | 36.7 | -19.6% |
| 1Q13 | 37.8 | - |
| 4Q12 | 38.5 | - |
| 3Q12 | 43.3 | - |
| 2Q12 | 45.7 | - |