| Value | Category | Cases | |
|---|---|---|---|
| 1 | Cartrack | 370 |
12.5%
|
| 2 | Ctrack | 570 |
19.2%
|
| 3 | DQ-Track | 75 |
2.5%
|
| 4 | Matrix | 136 |
4.6%
|
| 5 | Netstar | 543 |
18.3%
|
| 6 | Tracker | 1038 |
35%
|
| 7 | Other | 236 |
8%
|
| Sysmiss | 22616 |