annualAverageCoverageRate__c false if( Year(today()) > OCSMYear__c + 1 || Year(today()) > OCSMYear__c && MONTH(today()) > 3, (MonthVisitCoverageRate4Text__c + MonthVisitCoverageRate5Text__c+ MonthVisitCoverageRate6Text__c+ MonthVisitCoverageRate7Text__c+ MonthVisitCoverageRate8Text__c+ MonthVisitCoverageRate9Text__c+ MonthVisitCoverageRate10Text__c+ MonthVisitCoverageRate11Text__c+ MonthVisitCoverageRate12Text__c+ MonthVisitCoverageRate1Text__c+ MonthVisitCoverageRate2Text__c+ MonthVisitCoverageRate3Text__c)/12, if( MONTH(today()) = 4, 0 , (MonthVisitCoverageRate4Text__c + if(if(MONTH(today())-4< 0, MONTH(today())+8, MONTH(today())-4)> 1,MonthVisitCoverageRate5Text__c ,0) + if(if(MONTH(today())-4< 0, MONTH(today())+8, MONTH(today())-4)> 2,MonthVisitCoverageRate6Text__c ,0) + if(if(MONTH(today())-4< 0, MONTH(today())+8, MONTH(today())-4)> 3,MonthVisitCoverageRate7Text__c ,0) + if(if(MONTH(today())-4< 0, MONTH(today())+8, MONTH(today())-4)> 4,MonthVisitCoverageRate8Text__c ,0) + if(if(MONTH(today())-4< 0, MONTH(today())+8, MONTH(today())-4)> 5,MonthVisitCoverageRate9Text__c ,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())+8, MONTH(today())-4) )) BlankAsZero 覆盖率（平均） 18 false 0 false Percent