Belgium, Germany, the Netherlands, France, the People's Republic of China, the World Bank, the UN Development Programme and the European Development Fund will continue to account for the substantial aid. Rehabilitation of government infrastructure, in particular the justice system, was an international priority, as well as the continued repair and expansion of infrastructure, health facilities, and schools. After the Rwandan Genocide, the Tutsi-led government began a major program to improve the country's economy and reduce its dependence on subsistence farming. The failing economy had been a major factor behind the genocide, as was overpopulation and the resulting competition for scarce farmland and other resources. The government focused primarily on building up its manufacturing and service industries and eliminating barriers to trade and development. The Government of Rwanda posted a 13% GDP growth rate in 1996 through improved collection of tax revenues, accelerated privatization of state enterprises to stop the drain on government resources, and continued improvement in export crop and food production. Tea plantations and factories continue to be rehabilitated, and coffee, always a smallholder's crop, is being more seriously rehabilitated and tended as the farmers' sense of security returns. However, the road to recovery will be slow. Coffee production of 14,578,560 tons in 2000 compares to a pre-civil war variation between 35,000 and 40,000 tons . By 2002 tea became Rwanda's largest export, with export earnings from tea reaching US$18 million equating to 15,000 tons of dried tea. Rwanda's natural resources are limited. A small mineral industry provides about 5% of foreign exchange earnings. Concentrates exist of the heavy minerals cassiterite (a primary source of tin), and coltan (used to manufacture electronic capacitors, used in consumer electronics products such as cell phones, DVD players, video game systems and computers). By mid-1997, up to 75% of the factories functioning before the war had returned to production, at an average of 75% of their capacity. Investments in the industrial sector continue to mostly be limited to the repair of existing industrial plants. Retail trade, devastated by the war, has revived quickly, with many new small businesses established by Rwandan returnees from Uganda, Burundi, and the Democratic Republic of the Congo. Industry received little external assistance from the end of the war through 1995. Beginning in 1996–97, the government has become increasingly active in helping the industrial sector to restore production through technical and financial assistance, including loan guarantees, economic liberalization, and