 field to numeric values.
    function adReqToNumber(dataTable, rowNum){
      return parseInt(dataTable.getValue(rowNum, 2));
    }

    // Converts the matched ad request field to numeric values.
    function matchedAdReqToNumber(dataTable, rowNum){
      return parseInt(dataTable.getValue(rowNum, 3));
    }

    // Converts the individual ad impressions field to numeric values.
    function indAdImpressionsToNumber(dataTable, rowNum){
      return parseInt(dataTable.getValue(rowNum, 4));
    }

    // Dr