| Value | Category | Cases | |
|---|---|---|---|
| 3 | Model 2005 | 599 |
8.4%
|
| 4 | Model 2004 | 523 |
7.3%
|
| 8 | Model 2006/2007 | 555 |
7.8%
|
| 9 | 2003 or earlier model | 5474 |
76.5%
|
| Sysmiss | 17661 |