Year	LCU per US$
1960	2.014998
1961	2.019998
1962	3.727852
1963	3.910423
1964	3.910007
1965	3.909173
1966	3.9
1967	3.9
1968	3.9
1969	3.9
1970	5.90435
1971	6.431708
1972	6.674842
1973	6.756283
1974	6.787875
1975	7.2479
1976	7.440258
1977	7.402825
1978	7.365758
1979	7.37755
1980	7.511433
1981	7.89965
1982	8.54
1983	11.112717
1984	16.698708
1985	18.607342
1986	20.385683
1987	20.567675
1988	21.094675
1989	21.736683
1990	24.3105
1991	27.478633
1992	25.512492
1993	27.119842
1994	26.417167
1995	25.714467
1996	26.2161
1997	29.470658
1998	40.89305
1999	39.088983
2000	44.19225
2001	50.9926
2002	51.603567
2003	54.203333
2004	56.039917
2005	55.085492
2006	51.314273
2007	46.148391
2008	44.323288
2009	47.679688
2010	45.109664
2011	43.313137
2012	42.228795
2013	42.446185
2014	44.395154
2015	45.50284
2016	47.492464
2017	50.40372
2018	52.66143
2019	51.795783
2020	49.624096
2021	49.254598
2022	54.477786
2023	55.630363