Those who did not have these items were given a score, such that if they didn’t have any item on the list, they would have a score of 100, and if they had all items, they had a score of 0.
Rhoddwyd sgôr i'r rhai nad oedd â'r eitemau hyn, fel pe na bai ganddynt unrhyw eitem ar y rhestr, byddai ganddynt sgôr o 100, ac os oedd ganddynt yr holl eitemau, byddent yn cael sgôr o 0.