Edited sentence: A Police Service of Northern Ireland (PSNI) recruitment drive in November 2006 attracted applications from 968 Poles, with language exams being held both in Northern Ireland and Warsaw, but as of 2008 none have entered the PSNI's ranks.Official figures on the number of Polish people in Northern Ireland are difficult to obtain.The total number of Polish nationals who applied for a National Insurance Number is 12,020 as of 2005, but the actual number of residents is likely to be much higher