GDP growth has proved mediocre, though improving, growing by 1.6% a year from 1994 to 2009, and by 2.2% over the 2000–09 decade, compared to world growth of 3.1% over the same period. The high levels of unemployment, at over 25%, and inequality are considered by the government and most South Africans to be the most salient economic problems facing the country. These issues, and others linked to them such as crime, have in turn hurt investment and growth, consequently having a negative feedback effect on employment. Crime is considered a major or very severe constraint on investment by 30% of enterprises in South Africa, putting crime among the four most frequently mentioned constraints. In April 2017, political tensions in the country arose over the sacking of nine cabinet members including Minister of Finance Pravin Gordhan by the president Jacob Zuma. The finance minister was seen as central to efforts to restore confidence in South Africa. As a result of the tensions, S&P Global cut South Africa's credit rating to junk status on Monday 3 April 2017. Fitch Ratings followed suit on Friday 7 April 2017 and cut the country's credit status to the sub-investment grade of BBB-. The South African rand lost more than 11% in the week following the cabinet reshuffling. Historical statistics 1980–2022 The following table shows the main economic indicators in 1980–2022. Inflation under 5% is in green. This is a chart of the trend of South Africa's gross domestic product (GDP) at market prices estimated by the International Monetary Fund: Sectors South Africa has a comparative advantage in the production of agriculture, mining and manufacturing products relating to these sectors. South Africa has shifted from a primary and secondary economy in the mid-twentieth century to an economy driven primarily by the tertiary sector in the present day which accounts for an estimated 65% of GDP or $230 billion in nominal GDP terms. The country's economy is reasonably diversified with key economic sectors including mining, agriculture and fisheries, vehicle manufacturing and assembly, food processing, clothing and textiles, telecommunication, energy, financial and business services, real estate, tourism, manufacturing, IT, transportation, and wholesale and retail trade. Natural resources In 2019, the country was the world's largest producer of platinum; the world's largest producer of chromium; the world's largest producer of manganese; the 2nd largest world producer of titanium; the world's 11th largest producer of gold; the 3rd worldwide