| DFF | LCC | LS | NPP | PY | GY | FY | |
| DFF | - | ||||||
| LCC | 0.216 | - | |||||
| LS | −0.269* | −0.048 | - | ||||
| NPP | −0.169 | −0.155 | 0.165 | - | |||
| PY | −0.083 | −0.151 | 0.078 | 0.413** | - | ||
| GY | −0.114 | −0.106 | −0.128 | 0.188 | 0.495** | - | |
| FY | 0.118 | 0.036 | 0.087 | 0.204 | 0.275* | 0.024 | - |