 For example, the Genuine Progress Indicator was focused on the environmental cost of economic development, then later (in 2006) it was updated to include similar measures to the GNH Index.Another development index is the Human Development Index (HDI) that originally focused on literacy and education but also did not measure happiness.The HDI now measures three basic dimensions of human development, health (as measured by life expectancy at birth), overall knowledge level (as measured by the literacy rate), and standard of living (as measured by GDP per capita for a given year).