public function get_all_age() {

		$leads = $this->get_all_leads( array( MortgagePlatform::$lead, MortgagePlatform::$abandoned_lead ) );

		$age = array();
		foreach ( $leads as $lead ) {

			if ( get_post_type( $lead ) === MortgagePlatform::$lead ) {
				$l_lead        = __( 'Lead', 'mortgage_platform' );
				$year_of_birth = get_post_meta( $lead, MortgagePlatform::$prefix . 'lead_yearofbirth' );
				if ( ! empty( $year_of_birth[0] ) ) {
					$l_age = (int) gmdate( 'Y' ) - (int) $year_of_birth[0];
					array_push( $age, array( $l_lead, $l_age ) );
				}
			}
			if ( get_post_type( $lead ) === MortgagePlatform::$abandoned_lead ) {
				$ab_lead          = __( 'Abandoned Lead', 'mortgage_platform' );
				$ab_year_of_birth = get_post_meta( $lead, MortgagePlatform::$prefix . 'abandoned_lead_yearofbirth' );
				if ( ! empty( $ab_year_of_birth[0] ) ) {
					$ab_age = (int) gmdate( 'Y' ) - (int) $ab_year_of_birth[0];
					array_push( $age, array( $ab_lead, $ab_age ) );
				}
			}
		}

		return $age;
	}