Year	LCU per US$
1981	0.578
1982	0.943
1983	1.002
1984	1.03
1985	8.301
1986	22.744
1987	78.291
1988	606.518
1989	4463.9502
1990	6482.7998
1991	7979.2002
1992	11202.2002
1993	10640.96
1994	10962.1299
1995	11038.2998
1996	11032.5996
1997	11683.2998
1998	13268
1999	13943.2002
2000	14167.7998
2001	14725.166667
2002	15279.5
2003	15509.583333
2004	15746
2005	15858.916667
2006	15994.25
2007	16105.125
2008	16302.25
2009	17065.083333
2010	18612.916667
2011	20509.75
2012	20828
2013	20933.416667
2014	21148
2015	21697.5675
2016	21935.000833
2017	22370.086667
2018	22602.05
2019	23050.241667
2020	23208.368333
2021	23159.782593
2022	23271.2125
2023	23787.3191666667