Year	National Currency
1970-01-01	319872948051
1971-01-01	318195537107
1972-01-01	327374702550
1973-01-01	347177470638
1974-01-01	350252724034
1975-01-01	332826288117
1976-01-01	354586035639
1977-01-01	364603906554
1978-01-01	367492780959
1979-01-01	384639648385
1980-01-01	383428184925
1981-01-01	376625351653
1982-01-01	367585970455
1983-01-01	371080576588
1984-01-01	383428184924
1985-01-01	399270399395
1986-01-01	400155699615
1987-01-01	398058935937
1988-01-01	411944170972
1989-01-01	432445860286
1990-01-01	449313159222
1991-01-01	465947484415
1992-01-01	456016352942
1993-01-01	422768660885
1994-01-01	433707294117
1995-01-01	432459910007
1996-01-01	426750705881
1997-01-01	442151148818
1998-01-01	447764397938
1999-01-01	451458588234
2000-01-01	479764705882
2001-01-01	484994145300
2002-01-01	478181484415
2003-01-01	480196498241
2004-01-01	502601501759
2005-01-01	509750000000
2006-01-01	539399456761
2007-01-01	559885411765
2008-01-01	540742795876
2009-01-01	450259176471
2010-01-01	496796352942