| Model parameter | 2005 | 2010 | 2014 |
| Bandwidth | 71.419 | 71.419 | 71.419 |
| AICc | 359.445 | 391.823 | 397.873 |
|
| 0.784 | 0.837 | 0.858 |
| Adjusted | 0.712 | 0.783 | 0.810 |