public List<BarData> getOpportunityTarget(){
    Integer CurrentMonth = Date.Today().Month();
    Decimal total = 0.0;
    TargetList = new List<BarData>();
    if(MonthlyTargetMap.get(currentMonth) != null){
        if(OpportunityList.size()>0){
            for(Opportunity objOpportunity : OpportunityList){
                if(objOpportunity.StageName == 'Approved' && objOpportunity.Amount != null && objOpportunity.closeDate.Month() == CurrentMonth){
                    total += objOpportunity.Amount;
                }
            }
            TargetList.add(new BarData('Closed',total.setScale(0)));
            TargetList.add(new BarData('Target',MonthlyTargetMap.get(currentMonth).setScale(0)));
        }else{
            TargetList.add(new BarData('Closed',0));
            TargetList.add(new BarData('Target',MonthlyTargetMap.get(currentMonth).setScale(0)));
        }
    }
    return TargetList;