life indices, including per capita income, concentration of computer and internet usage per capita, insurance coverage per individual, and health care rates. For these and many other reasons, such as the four languages, it serves as an excellent test market for businesses hoping to introduce new products into Europe. Permanent residents by nationality The number of registered resident foreigners was 1,001,887 (16.17%) in 1970. This amount decreased to 904,337 (14.34%) in 1979, and has increased steadily since that time, passing the 20% mark during 2001 and rising to 1,524,663 (20.56%) in 2004. The number of Swiss citizens thus numbered about 5.9 million in that year. In 2013 there were a total of 1,937,447 permanent residents (23.8% of the total population of 8.14 million) in Switzerland. Of these, 1.65 million resident foreigners (85.0%, or 20.2% of the 8.14 million total population), had European citizenship (Italian: 298,875; German: 292,291; Portuguese: 253,227; French: 110,103; Serbian: 90,704; Kosovan: 86,976; Spanish: 75,333, Macedonian: 62,633; British: 40,898; Austrian: 39,494; Bosnian and Herzegovinian: 33,002; Croatian: 30,471). From other continents; 122,941 residents were from Asia; 83,873 from Africa; 78,433 from the Americas; and 4,145 from Oceania. The following chart shows permanent resident numbers from selected regions and countries every 5 years. Source: Tamil refugees fleeing from war in Sri Lanka are the largest number of Asians, while Albanians and former Yugoslavians continue to grow in number. Switzerland is also the second largest European country in number of acceptance of Iraqi refugees fleeing from the violence in Iraq since 2003, but behind Great Britain, Germany and Sweden in the number of Iraqis taken residence for a European country. Naturalization In 2004, 35,700 people acquired Swiss citizenship according to Swiss nationality law, a figure slightly larger than that of the previous year (35,424), and four times larger than the 1990 figure (8,658). About a third of those naturalized are from a successor state of former Yugoslavia: 7,900 Serbia-Montenegro, 2,400 Bosnia-Herzegovina, 2,000 North Macedonia, 1,600 Croatia. 4,200 were from Italy, 3,600 from Turkey, 1,600 from Sri Lanka, 1,200 from Portugal, and 1,200 from France. The yearly rate of naturalization has quintupled over the 1990s and 2000s, from roughly 9,000 to 45,000. Relative to the population of resident foreigners, this amounts to an increase from 8% in 1990 to 27% in 2007, or relative to the number of Swiss citizens from 1.6% in 1990 to 7.3% in 2007. The following table shows