Year	National Currency
1975-01-01	9304381265.2
1976-01-01	9368364558.1
1977-01-01	9255096836.9
1978-01-01	9645049067.4
1979-01-01	10727577210.1
1980-01-01	11507481670.7
1981-01-01	11853337307.5
1982-01-01	11931154825.6
1983-01-01	12263176236.8
1984-01-01	12761208353.6
1985-01-01	13273074695.8
1986-01-01	13574833738.9
1987-01-01	14377218815.9
1988-01-01	14991977210.0
1989-01-01	15641321167.9
1990-01-01	15592036739.7
1991-01-01	13631035279.8
1992-01-01	13727874858.1
1993-01-01	14424773966.0
1994-01-01	16217170803.0
1995-01-01	17352441930.3
1996-01-01	17874683941.6
1997-01-01	19563324087.6
1998-01-01	21436996999.2
1999-01-01	23145523844.3
2000-01-01	26340365287.9
2001-01-01	27518868369.8
2002-01-01	28546059610.6
2003-01-01	29384759529.5
2004-01-01	30773369910.8
2005-01-01	31983000000.0
2006-01-01	36051991565.3
2007-01-01	39779450689.7
2008-01-01	39758699351.1
2009-01-01	31846387023.5
2010-01-01	33550590673.1