Year	United States Dollar
1979-12-31	2.2206
1980-12-31	2.401
1981-12-31	1.9081
1982-12-31	1.6161
1983-12-31	1.4528
1984-12-31	1.1568
1985-12-31	1.4413
1986-12-31	1.4783
1987-12-31	1.8848
1988-12-31	1.8021
1989-12-31	1.603
1990-12-31	1.9185
1991-12-31	1.8571
1992-12-31	1.5105
1993-12-31	1.4752
1994-12-31	1.5643
1995-12-31	1.5494
1996-12-31	1.711
1997-12-31	1.6428
1998-12-31	1.6623
1999-12-31	1.6125
2000-12-31	1.496
2001-12-31	1.4528
2002-12-31	1.6061
2003-12-31	1.7862
2004-12-31	1.9158
2005-12-31	1.7164
2006-12-31	1.9574
2007-12-31	1.9892
2008-12-31	1.4364
2009-12-31	1.6146
2010-12-31	1.5652
2011-12-31	1.5457
2012-12-31	1.6167
2013-12-31	1.6525
2014-12-31	1.5605
2015-12-31	1.4821
2016-12-31	1.2315
2017-12-31	1.3524
2018-12-31	1.279
2019-12-31	1.3222