private String convertStarRatings(String str){
		if(str == null) return "";
		String ret = "";
		if(str.contains("100%")){
			ret = "5";
		}else if(str.contains("80%")){
			ret = "4";
		}else if(str.contains("60%")){
			ret = "3";
		}else if(str.contains("40%")){
			ret = "2";
		}else if(str.contains("20%")){
			ret = "1";
		}
		
		return ret;
	}