Republic of Sierra Leone. The old translation is "in the cellar". It covers an area of 72,326 square kilometers. Population 5.6 million (2002). There are more than 20 nationalities in China. The Mandi people in the south have the largest number, followed by the Temnai people in the north and middle, accounting for more than 60% of the national population; Limba nationality accounts for 8.4%; Creoles are descendants of "free" blacks who immigrated from Britain and the United States, accounting for 2%. More than 50% residents believe in Islam, 25% believe in Christianity, and a few believe in fetishism. Freetown, the capital of Sierra Leone's national emblem, has a population of 840,000 (200 1), with an average annual temperature of 25.5℃. President ernest bai koroma, Head of State, took office on 7 September 2007 17. The official languages of Bo, Kenema and Makeni, which are eight hours behind Beijing, are English, as well as Mandi and Temnai dialects. The national anthem "We Praise You, Free Country" is located in the west of Africa, bordering Guinea in the north and northeast, Liberia in the southeast, and the Atlantic Ocean in the west and southwest. The coastline is about 485 kilometers long. It has a tropical monsoon climate with high temperature and rainy weather. May ~ 10 is the rainy season, and11~ April is the dry season. The annual average temperature is about 26℃. Human development index: 0.335, ranking 176 in the world. The economy is one of the least developed countries in the world announced by the United Nations, and the human development index ranks the bottom of the world for four consecutive years. The economy is dominated by agriculture and mining. The agricultural output value accounts for 44% of GDP, the agricultural population accounts for 65% of the national population, and food cannot be self-sufficient. Rich in mineral resources, mainly diamonds, gold, rutile and so on. Years of war have caused great damage to Serbia's economy, infrastructure has been seriously damaged, the currency has depreciated sharply, and the national economy is on the verge of collapse. With the end of the civil war and the stability of the political situation, the Serbian government concentrated on rebuilding the economy and formulated the Interim Strategy Document for Poverty Reduction and Growth, giving priority to the development of agriculture, infrastructure construction and mining, and vigorously striving for foreign aid and attracting foreign investment. In the past two years, the economic situation has obviously improved. Gross domestic product (2004): about 849 million USD per capita GDP (2004): about 154 USD GDP growth rate (2004). : 7.4% currency name: Leon exchange rate (2004: 165438+ 10 month): 1 USD = 27 16 Leon inflation rate (2003): 13.6%. Diamond reserves exceed 23 million carats. Five gold deposits have been discovered, of which the reserve in the southern province of Baomahong alone is 20 million tons, and each ton of ore contains 0.2 ounces of gold. Bauxite reserves 1 .200 million tons, rutile reserves are about1million tons, and iron ore reserves are 200 million tons. There are abundant fishery resources, mainly bonga fish, tuna, yellow croaker, herring and prawn. The reserve of aquatic products is about 6,543,800 tons. The national forest area is about 320,000 hectares, accounting for 4% of the total land area. Rich in mahogany, red iron wood, etc., with a timber reserve of 3 million cubic meters. The industrial output value accounts for about 26.7% of GDP, and the employed population accounts for 19% of the total labor force. Mining is the main industrial sector, followed by construction, food processing, shoemaking, oil refining, paint making and cement. In recent years, the output of industrial products in major mines is as follows: 1999 2000 200 1 diamond (carat) 9320 77387 224 188 beer (ten thousand cases) -38.2 92 acetylene (ten thousand cubic feet)1.4/kloc. 438+0 100.9 plastic shoes (ten thousand pairs) 29.9 143.7 142 paint (ten thousand gallons) 3.09 15.8 candy (ten thousand pounds) 81.5/kloc. Fertile land and abundant rainfall are suitable for crop growth, but the mode of production is backward, mostly based on traditional farming methods. Food cannot be self-sufficient. The main crops are rice, sweet potato, cassava, corn, palm oil, coffee, cocoa and so on. The output in recent years is as follows (unit: ten thousand tons): 1992000 200 1 cassava 24.024. 1 rice 24.7 19.9638.