Year National Currency Units per US Dollar 1991-01-01 74.7692790405627 1992-01-01 78.9894272007587 1993-01-01 91.9092944574622 1994-01-01 105.1210270603610 1995-01-01 125.7203244819980 1996-01-01 152.6090297337920 1997-01-01 186.6286373179320 1998-01-01 214.2611353049120 1999-01-01 237.0631848610330 2000-01-01 282.2861562519610 2001-01-01 286.4914166823520 2002-01-01 257.8840596777680 2003-01-01 224.2972459533220 2004-01-01 202.6093588603430 2005-01-01 199.5267865455800 2006-01-01 210.4015903444380 2007-01-01 183.5946909153650 2008-01-01 172.4644668721380 2009-01-01 202.0621612475690 2010-01-01 207.7641853080500 2011-01-01 200.9068040733420 2012-01-01 224.8228124176550 2013-01-01 223.5817222692770 2014-01-01 232.6191425120770 2015-01-01 279.1939805743770 2016-01-01 281.5209896323480 2017-01-01 274.4764486009160