Year National Currency 2000-01-01 1.81742549691958 2001-01-01 1.95929635792170 2002-01-01 2.14750000000000 2003-01-01 2.38000000000000 2004-01-01 2.54250000000000 2005-01-01 2.87750000000000 2006-01-01 3.39250000000000 2007-01-01 4.13250000000000 2008-01-01 4.62000000000000 2009-01-01 4.55500000000000 2010-01-01 4.58750000000000 2011-01-01 4.81500000000000 2012-01-01 5.22750000000000 2013-01-01 5.64000000000000 2014-01-01 6.00000000000000 2015-01-01 6.35500000000000 2016-01-01 6.73000000000000 2017-01-01 7.15000000000000