3 1 ▁min ic om put ers , ▁ 6 3 3 ▁terminal s ▁and ▁ 1 0 ▁medium - s ized ▁computers ▁linked ▁by ▁land - lines ▁to ▁the ▁central ▁computer , ▁and ▁issued ▁registered ▁health ▁ins urance ▁cards ▁to ▁ 9 0 % ▁of ▁the ▁Australian ▁population . ▁ ▁Med ib ank ▁Mark ▁II ▁( 1 9 7 6 – 8 1 ) ▁After ▁a ▁change ▁of ▁government ▁at ▁the ▁December ▁ 1 9 7 5 ▁election , ▁the ▁F ras er ▁Co al ition ▁government ▁established ▁the ▁Med ib ank ▁Review ▁Committee ▁in ▁January ▁ 1 9 7 6 . ▁This ▁lead ▁to ▁legisl ative ▁changes , ▁and ▁the ▁launch ▁of ▁' Med ib ank ▁Mark ▁II ' ▁on ▁ 1 ▁October ▁ 1 9 7 6 . ▁ ▁Also ▁that ▁year , ▁the ▁F ras er ▁government ▁also ▁passed ▁the ▁Med ib ank ▁Private ▁bill , ▁which ▁allowed ▁the ▁H IC ▁to ▁enter ▁the ▁private ▁health ▁ins urance ▁business . ▁▁ ▁In ▁ 1 9 7 8 , ▁bulk ▁b illing ▁was ▁restricted ▁to ▁p ension ers ▁and ▁the ▁soci ally ▁dis adv ant aged . ▁Reb ates ▁were ▁reduced ▁to ▁ 7 5 % ▁of ▁the ▁schedule ▁fee . ▁The ▁health ▁ins urance ▁le vy ▁was ▁also ▁scra pped ▁that ▁year . ▁ ▁In ▁ 1 9 7 9 , ▁Med ib ank ▁reb ates ▁were ▁cut ▁further . ▁In ▁ 1 9 8 1 , ▁access ▁to ▁Med ib ank ▁was ▁restricted ▁further , ▁and ▁an ▁income