| Value | Category | Cases | |
|---|---|---|---|
| 1 | Cartrack | 337 |
15.7%
|
| 2 | Ctrack | 374 |
17.4%
|
| 3 | DQ-Track | 21 |
1%
|
| 4 | Matrix | 164 |
7.6%
|
| 5 | Netstar | 439 |
20.4%
|
| 6 | Tracker | 658 |
30.6%
|
| 7 | Other | 157 |
7.3%
|
| Sysmiss | 22958 |