if (this.approvationRatio == null) { calculateApprovationRatioAndArithmeticMeanIfActive(true); } return this.approvationRatio;
if (this.approvationRatio == null) { calculateApprovationRatioAndArithmeticMeanIfActive(true);
	public Double getApprovationRatio() {		if (this.approvationRatio == null) {			calculateApprovationRatioAndArithmeticMeanIfActive(true);		}		return this.approvationRatio;	}