Year	National Currency
1975-01-01	24731601465.7
1976-01-01	25875664800.9
1977-01-01	26124999099.6
1978-01-01	26087779401.0
1979-01-01	27055848123.5
1980-01-01	28424156617.0
1981-01-01	29830392101.5
1982-01-01	29062529177.8
1983-01-01	26098338806.9
1984-01-01	28480162063.5
1985-01-01	30578577903.7
1986-01-01	30286447315.9
1987-01-01	31146910814.0
1988-01-01	33836968503.5
1989-01-01	37411731671.4
1990-01-01	35429484084.8
1991-01-01	32278265729.5
1992-01-01	31880848853.3
1993-01-01	34317838964.1
1994-01-01	36749169223.9
1995-01-01	37647247539.3
1996-01-01	38280946340.5
1997-01-01	40109040038.3
1998-01-01	45625033006.0
1999-01-01	47685357504.0
2000-01-01	46182927852.0
2001-01-01	44040735422.0
2002-01-01	52816942035.0
2003-01-01	56868475934.0
2004-01-01	60314679308.0
2005-01-01	64414607800.0
2006-01-01	68677067802.0
2007-01-01	73134298022.0
2008-01-01	78005813292.0
2009-01-01	76399306083.0
2010-01-01	80787671433.0