Mineral Petroleum Resources Development Act (MPRDA); Mining Charter; SA Beneficiation Strategy; the dtic role. 2019 SITUATIONAL ANALYSIS. Mining production 1,3% lower in 2019 than 2018, which was 2,1% lower than 2017, 8% of GDP (down from 15% in 1990). Employment declined by 70,000 people to currently about 464,000.