Ghana of $1600US Ghana Ghana World Bank: Ghana economy Ghana 48 percent in 1991 to 12 percent in 2012 Ghana World Bank: Ghana http://data.worldbank.org/country/ghana World Bank statistical data Ghana Ghana Data economy http://data.worldbank.org/country/ghana Weltbank World Bank World Bank statistical data Data Weltbank Ghana http://data.worldbank.org/country/ghana World Bank statistical data http://data.worldbank.org/country/ghana Ghana Ghana economy Ghana Ghana Data  World Bank: Ghana