PBAverageCoverageRate__c false if(Year(today()) > OCSMYear__c + 1 || Year(today()) > OCSMYear__c && MONTH(today()) > 3, (MonthVisitCoverageRate10Text__c+ MonthVisitCoverageRate11Text__c+ MonthVisitCoverageRate12Text__c+ MonthVisitCoverageRate1Text__c+ MonthVisitCoverageRate2Text__c+ MonthVisitCoverageRate3Text__c)/6, if( MONTH(today()) = 10 , 0 , (if(if(MONTH(today())-4< 0, MONTH(today())+8, MONTH(today())-4)> 6,MonthVisitCoverageRate10Text__c ,0) + if(if(MONTH(today())-4< 0, MONTH(today())+8, MONTH(today())-4)> 7,MonthVisitCoverageRate11Text__c ,0) + if(if(MONTH(today())-4< 0, MONTH(today())+8, MONTH(today())-4)> 8,MonthVisitCoverageRate12Text__c ,0) + if(if(MONTH(today())-4< 0, MONTH(today())+8, MONTH(today())-4)> 9,MonthVisitCoverageRate1Text__c ,0) + if(if(MONTH(today())-4< 0, MONTH(today())+8, MONTH(today())-4)> 10,MonthVisitCoverageRate2Text__c ,0) ) /if(MONTH(today())-4< 0, MONTH(today())+2, MONTH(today())-10) )) BlankAsZero 覆盖率（2H’） 18 false 0 false Percent