In what year did Iván Duke Márquez become president of Colombia?
2018
1982
1989
1982
1989
1982
1989
1982
1989
1982
1989
1982
1989
1982
1989
1982
1989
1982
1989
1986
1982
1989
1986
1982
1989
1986
1982
1989
2002
1986
1982
1989
2002
1986
1982
1998
2000
1989
2002
1986
1982
1998
2000
1989
2002
1986
1982
1998
2000
1989
2002
2018
1986
1982
1998
2000
1989
2002
2018
1986
1982
1998
1984
2000
1989
2002
2018
1986
1978
1982
1988
1998
1984
2000
1989
2002
2018
1986
1978
1982
1988
1998
1984
2000
1932
1989
2002
2018
1986
1978
1988
1998
1948
1984
2000
2002
2018
1932
1986
1978
1988
1970
1990
1998
1948
1984
2000
2002
1979
2018
1986
1978
1988
1970
1990
1998
1948
1984
2000
2002
1979
2018
1986
1978
1988
1970
1990
1998
1948
1984
2000
1973
2002
1979
2018
1986
1978
1969
1988
1970
1990
1998
1948
1984
2000
Colombian
1973
2002
1979
2018
1986
1978
1969
1988
1970
1990
1998
1948
1984
2000
1931
1973
1993
1939
Colombian
2002
1979
2018
1986
1978
1969
1988
1970
1990
1998
1904
1948
1950
1964
1984
2000
1973
1993
1960
1931
2002
1979
2018
1986
1978
1969
1988
1939
Colombian
1998
1904
1909
Colombian
1989.
1922
1909