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Historical Values
Year Value
1990 small quantities of crude oil (unexploited but exploration beginning), uranium, natron, kaolin, fish (Lake Chad)
1991 crude oil (unexploited but exploration beginning), uranium, natron, kaolin, fish (Lake Chad)
1992 crude oil (unexploited but exploration under way), uranium, natron, kaolin, fish (Lake Chad)
1993 petroleum (unexploited but exploration under way), uranium, natron, kaolin, fish (Lake Chad)
1994 petroleum (unexploited but exploration under way), uranium, natron, kaolin, fish (Lake Chad)
1995 petroleum (unexploited but exploration under way), uranium, natron, kaolin, fish (Lake Chad)
1996 petroleum (unexploited but exploration under way), uranium, natron, kaolin, fish (Lake Chad)
1997 petroleum (unexploited but exploration under way), uranium, natron, kaolin, fish (Lake Chad)
1998 petroleum (unexploited but exploration under way), uranium, natron, kaolin, fish (Lake Chad)
1999 petroleum (unexploited but exploration under way), uranium, natron, kaolin, fish (Lake Chad)
2000 petroleum (unexploited but exploration under way), uranium, natron, kaolin, fish (Lake Chad)
2001 petroleum (unexploited but exploration under way), uranium, natron, kaolin, fish (Lake Chad)
2002 petroleum (unexploited but exploration under way), uranium, natron, kaolin, fish (Lake Chad)
2003 petroleum (unexploited but exploration under way), uranium, natron, kaolin, fish (Lake Chad)
2004 petroleum, uranium, natron, kaolin, fish (Lake Chad)
2005 petroleum, uranium, natron, kaolin, fish (Lake Chad), gold, limestone, sand and gravel, salt
2006 petroleum, uranium, natron, kaolin, fish (Lake Chad), gold, limestone, sand and gravel, salt
2007 petroleum, uranium, natron, kaolin, fish (Lake Chad), gold, limestone, sand and gravel, salt
2008 petroleum, uranium, natron, kaolin, fish (Lake Chad), gold, limestone, sand and gravel, salt
2009 petroleum, uranium, natron, kaolin, fish (Lake Chad), gold, limestone, sand and gravel, salt
2010 petroleum, uranium, natron, kaolin, fish (Lake Chad), gold, limestone, sand and gravel, salt
2011 petroleum, uranium, natron, kaolin, fish (Lake Chad), gold, limestone, sand and gravel, salt
2012 petroleum, uranium, natron, kaolin, fish (Lake Chad), gold, limestone, sand and gravel, salt
2013 petroleum, uranium, natron, kaolin, fish (Lake Chad), gold, limestone, sand and gravel, salt
2014 petroleum, uranium, natron, kaolin, fish (Lake Chad), gold, limestone, sand and gravel, salt
2015 petroleum, uranium, natron, kaolin, fish (Lake Chad), gold, limestone, sand and gravel, salt
2016 petroleum, uranium, natron, kaolin, fish (Lake Chad), gold, limestone, sand and gravel, salt
2017 petroleum, uranium, natron, kaolin, fish (Lake Chad), gold, limestone, sand and gravel, salt
2018 petroleum, uranium, natron, kaolin, fish (Lake Chad), gold, limestone, sand and gravel, salt
2019 petroleum, uranium, natron, kaolin, fish (Lake Chad), gold, limestone, sand and gravel, salt
2020 petroleum, uranium, natron, kaolin, fish (Lake Chad), gold, limestone, sand and gravel, salt
2021 petroleum, uranium, natron, kaolin, fish (Lake Chad), gold, limestone, sand and gravel, salt
2022 petroleum, uranium, natron, kaolin, fish (Lake Chad), gold, limestone, sand and gravel, salt
2023 petroleum, uranium, natron, kaolin, fish (Lake Chad), gold, limestone, sand and gravel, salt
2024 petroleum, uranium, natron, kaolin, fish (Lake Chad), gold, limestone, sand and gravel, salt
2025 petroleum, uranium, natron, kaolin, fish (Lake Chad), gold, limestone, sand and gravel, salt