How was income stated?
0 = None
1 = Seached
2 = Explicitly Stated

How were patents or disc stated?
0 = None
1 = Searched
2 = Explicitly Stated

Rank Group
1 = UBristol
2 = UDundee
3 = ImpCol
4 = InsCan
5 = LSHygTrop
27 = UBirmingham
28 = UEastAnglia
29 = UWarwick
30 = UPlymouth
31 = UStAndrews

0 = Top 5
1 = Bottom 5

0 = Not Selected
1 = Selected