def statistics
      extracted_statistics = []

      unless self.qp_statistics.nil?
        extracted_statistics.push(EmailListStatistic.new(qp_statistics))
      end

      return extracted_statistics
    end
def statistics
      extracted_statistics = []

      unless self.qp_statistics.nil?
        extracted_statistics.push(EmailListStatistic.new(qp_statistics))
      end

      return extracted_statistics
    end
Extract the email list statistics from qp_statistics attribute.

 @return [QuestionproRails::EmailListStatistic] Email List Statistics.