| Year | AUTO | MECH | COMP | IT | ETRX | EXTC | ||||||
| III | OLD | CBGS | OLD | CBGS | OLD | CBGS | OLD | CBGS | OLD | CBGS | OLD | CBGS |
| IV | OLD | CBGS | OLD | CBGS | OLD | CBGS | OLD | CBGS | OLD | CBGS | OLD | CBGS |
| V | OLD | CBGS | OLD | CBGS | OLD | CBGS | OLD | CBGS | OLD | CBGS | OLD | CBGS |
| VI | OLD | - | OLD | - | OLD | - | OLD | - | OLD | - | OLD | - |
| VII | - | REV | - | REV | - | REV | - | REV | - | REV | - | REV |
| VIII | REV | - | REV | - | REV | - | REV | - | REV | - | REV | - |
