Year	National Currency
1987-01-01	31685479576.5
1988-01-01	32654356092.4
1989-01-01	34012869844.5
1990-01-01	36160965557.6
1991-01-01	39040375528.5
1992-01-01	41440354626.7
1993-01-01	42722324226.0
1994-01-01	44273165861.0
1995-01-01	45748912698.0
1996-01-01	47750977892.0
1997-01-01	49481896098.0
1998-01-01	52318480406.0
1999-01-01	55660548712.0
2000-01-01	59629709053.0
2001-01-01	63211651872.0
2002-01-01	65016501529.0
2003-01-01	65784334190.0
2004-01-01	67438239359.0
2005-01-01	67752508100.0
2006-01-01	70162030563.0
2007-01-01	74017533875.0
2008-01-01	76036562508.0
2009-01-01	76452213464.0
2010-01-01	77025795808.0