text: [URL] http://www.statbank.dk/en/?dsid=1&sid=1395&tab=values&startYr=1963&endYr=2017&var1=GRO.BIRTH_DATE_DAY&var2=GRO.BIRTH_DATE_MONTH&var3=GRO.BIRTH_YEAR [HTML] date field day ltr birth date day number 17