Year	National Currency
1962-01-01	378781869
1963-01-01	410094599
1964-01-01	534059356
1965-01-01	489734713
1966-01-01	442855769
1967-01-01	469180099
1968-01-01	495191903
1969-01-01	550797543
1970-01-01	760953446
1971-01-01	1350480209
1972-01-01	1906398375
1973-01-01	2372134675
1974-01-01	2117155290
1975-01-01	2070288366
1976-01-01	1892707319
1977-01-01	2834685611
1978-01-01	4527941053
1979-01-01	5514069693
1980-01-01	5349266164
1981-01-01	6974523097
1982-01-01	5494554830
1983-01-01	7396938444
1984-01-01	12537160580
1985-01-01	10224586200
1986-01-01	11631525490
1987-01-01	21621278230
1988-01-01	27562198740
1989-01-01	29545616820
1990-01-01	32032562840
1991-01-01	40355426540
1992-01-01	33565822850
1993-01-01	36843129830
1994-01-01	34707842010
1995-01-01	27263291380
1996-01-01	47658114260
1997-01-01	64174449770
1998-01-01	52093000000
1999-01-01	37825000000
2000-01-01	38235000000
2001-01-01	38845000000
2002-01-01	38431000000
2003-01-01	21229000000
2004-01-01	14505000000
2005-01-01	14601000000
2006-01-01	14685000000
2007-01-01	12946000000
2008-01-01	14546000000
2009-01-01	19578000000
2010-01-01	23905000000