| Value | Category | Cases | |
|---|---|---|---|
| 1 | BP | 1397 |
20.5%
|
| 2 | Caltex | 1228 |
18%
|
| 3 | Engen | 1957 |
28.7%
|
| 4 | Exel | 120 |
1.8%
|
| 5 | Sasol | 423 |
6.2%
|
| 6 | Shell | 1033 |
15.2%
|
| 7 | Total | 540 |
7.9%
|
| 8 | Zenex | 47 |
0.7%
|
| 9 | Other | 69 |
1%
|
| Sysmiss | 18356 |