Membership fees were initially $2 per year .
This was scaled back to $1 in 1973 , as the society 's income in its first two years ( $246 ) far exceeded expenditure ( $15 ) .
Membership fees were initially $2 per year , but this was scaled back to $1 in 1973 , as the society 's income in its first two years ( $246 ) far exceeded expenditure ( $15 ) .