The Christian Armenian presence in Turkey is reinforced by a constant flow of mostly illegal immigrants from Armenia who settle in Turkey in search of better job opportunities, where the difference in pay can be quite significant. Despite a negative public opinion in Armenia of "an Armenian who works for a Turk" as a result of the century-long uneasy relationship between the two countries, by 2010, there were between 22,000 and 25,000 Armenian citizens living illegally in Istanbul alone, according to Turkish officials, and an estimated total amount of 100,000. Many of them are employed in Turkish households to provide domestic services, such as cooking and cleaning. According to a 2009 interview poll of 150 Armenian work migrants, the majority are women. In 2010, amid Armenia's push for the recognition of the 1915 Armenian genocide as a genocide, Prime Minister Erdoğan threatened to deport the illegal immigrants back to Armenia, however the situation gradually thawed. Some Armenian immigrants do not discuss ever returning to their homeland having adapted to life in Turkey. Beginning in 2011, children of the Armenian citizens living illegally in Istanbul have been allowed to attend local Armenian minority schools, but as they are not Turkish citizens, they do not receive diplomas at the end of the school term. According to the researcher Alin Ozinian number of Armenians living illegally in Turkey (in 2009) is 12,000 to 13,000 and not 70,000 to 100,000 as has previously been estimated. Aris Nalci, a journalist working for the newspaper Agos, gave a little bit higher numbers, between 12,000 and 14,000 (in 2010).