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Historical Values
Year Value
1996 70 million (1991 est.)
1997 70 million (1991 est.)
1998 70 million (1991 est.)
1999 47.1 million (1998 est.)
2000 77.8 million (1997)
2001 77.8 million (1997)
2002 77.8 million (1997)