| Model | R | R Square | Adjusted R Square | Std. Error of the Estimate | 
| 1 | 0.929 | 0.863 | 0.839 | 2.42553 | 
| 2 | 0.929 | 0.863 | 0.843 | 2.39877 | 
| 3 | 0.929 | 0.863 | 0.845 | 2.38356 |