Economic reforms implemented since the formation of the GPA have borne positive results for the economy. Real GDP grew by about 6% in 2009 and is estimated to have risen strongly to about in 2010, reflecting strong performances in mining (47% growth) due to rising mineral and metal prices and higher agricultural output arising from higher output of tobacco, sugar, maize and cotton. Increases in agricultural output (34% growth) have historically supported manufacturing sector production (Box 1). The adoption of the multi-currency regime, along with cash budgeting, has helped to restore and maintain price stability. The currency and the.