Year	National Currency
1977-01-01	11537667724.1108
1978-01-01	12047935882.5936
1979-01-01	13000062622.2680
1980-01-01	13425099176.2569
1981-01-01	13795183774.7169
1982-01-01	13598926789.5636
1983-01-01	13362296941.3667
1984-01-01	12846421440.4831
1985-01-01	13164918488.8547
1986-01-01	14039663902.2751
1987-01-01	14373861510.4907
1988-01-01	14701330306.7038
1989-01-01	15847471093.4497
1990-01-01	16612312595.8122
1991-01-01	16070643321.0059
1992-01-01	15647849705.0988
1993-01-01	14896465822.2555
1994-01-01	15428041881.8617
1995-01-01	16343545344.6000
1996-01-01	17939783431.4000
1997-01-01	19053153532.0000
1998-01-01	19428949494.2000
1999-01-01	19696977513.6000
2000-01-01	20182430340.0000
2001-01-01	20394685466.7000
2002-01-01	20402837654.2000
2003-01-01	20171494478.7000
2004-01-01	20237010229.7000
2005-01-01	20017100000.0000
2006-01-01	20261665626.2000
2007-01-01	20806072686.7000
2008-01-01	20589443215.3000
2009-01-01	18797751461.4000
2010-01-01	19288871052.1000