function outputCountryVisitJanMaySept($dbAdapter)
{
    $gateVisits = new VisitTableGateway($dbAdapter);
    $result = $gateVisits->findCountryVisitsJanMaySept($_GET["countryISO"]);
    $countryInfoArray = [];
    foreach ($result as $row) {
        $countryInfo = new stdClass();
        $countryInfo->countryISO = $row->ISO;
        $countryInfo->countryName = $row->countryName;
        $countryInfo->visitsJan = $row->visitJan;
        $countryInfo->visitsMay = $row->visitMay;
        $countryInfo->visitsSept = $row->visitSept;
        array_push($countryInfoArray, $countryInfo);
    }
    echo json_encode($countryInfoArray);
}