 Wax soo saarka warashadaha dharka oo hoos u dhac ku yimid Sannadkii 2006-dii, daraasad uu sameeyay dalka Jarmalka ayuu ku sheegay in wax soo saarka warshadaha dharka ee dalka Ghana uu hoos u dhac ku yimid boqolkiiba 50 intii u dhexeeysay sanadihii 1975-tii iyo 2000. 