Year	United States Dollar
1979-12-31	2.1131
1980-12-31	2.3131
1981-12-31	2.041
1982-12-31	1.7537
1983-12-31	1.5144
1984-12-31	1.3398
1985-12-31	1.2857
1986-12-31	1.4526
1987-12-31	1.6295
1988-12-31	1.7696
1989-12-31	1.6205
1990-12-31	1.7587
1991-12-31	1.7446
1992-12-31	1.7409
1993-12-31	1.4916
1994-12-31	1.53
1995-12-31	1.5758
1996-12-31	1.5597
1997-12-31	1.6336
1998-12-31	1.6501
1999-12-31	1.6178
2000-12-31	1.5168
2001-12-31	1.4362
2002-12-31	1.4952
2003-12-31	1.6252
2004-12-31	1.8187
2005-12-31	1.8138
2006-12-31	1.845
2007-12-31	1.9993
2008-12-31	1.843
2009-12-31	1.566
2010-12-31	1.5452
2011-12-31	1.6014
2012-12-31	1.5844
2013-12-31	1.5635
2014-12-31	1.6465
2015-12-31	1.5279
2016-12-31	1.3556
2017-12-31	1.2924
2018-12-31	1.3405
2019-12-31	1.2817