Year	National currency, Monthly Level
1988-01-01	19663073630.589300
1989-01-01	24988489382.878600
1990-01-01	30458303523.353203
1991-01-01	38033521574.155304
1992-01-01	45618503904.110500
1993-01-01	57213677503.407196
1994-01-01	70476715034.183000
1995-01-01	84147845564.019090
1996-01-01	94019420722.462800
1997-01-01	98854942102.119400
1998-01-01	102424852060.642000
1999-01-01	126916210955.747010
2000-01-01	143856818808.441000
2001-01-01	137274482485.959000
2002-01-01	153912256124.953000
2003-01-01	152825760376.757000
2004-01-01	180788553292.893000
2005-01-01	200120262239.202000
2006-01-01	210325529578.166000
2007-01-01	229628434687.503000
2008-01-01	230344337561.624000
2009-01-01	183560168234.690980
2010-01-01	218219531322.206000
2011-01-01	260907182041.010000
2012-01-01	276833275591.105000
2013-01-01	255984228511.207980
2014-01-01	255743554189.679020
2015-01-01	238214676066.556000
2016-01-01	250316050614.991030
2017-01-01	244560724027.389000