The Human Development Index report of 2005  shows that there were three boroughs with a very high Human Development Index, 12 with a high HDI value (9 above .85) and one with a medium HDI value (almost high). Benito Juárez borough had the highest HDI of the country (.9510) followed by Miguel Hidalgo which came up 4th nationally with a HDI of (.9189) and Coyoacán (5th nationally) with a HDI value of (.9169). Cuajimalpa, Cuauhtémoc and Azcapotzalco had very high values; respectively .8994 (15th nationally),.8922 (23rd) and .8915 (25th).

How many boroughs had very high HDI scores in 2005?