Table:
text: Human rights in Morocco
International treaties
International treaties
Treaty Organization Introduced Signed Ratified_
Convention on the Prevention and Punishment of the Crime of Genocide United Nations 1948 - 1958
International Convention on the Elimination of All Forms of Racial Discrimination United Nations 1966 1967 1970
International Covenant on Economic, Social and Cultural Rights United Nations 1966 1977 1979
International Covenant on Civil and Political Rights United Nations 1966 1977 1979
First Optional Protocol to the International Covenant on Civil and Political Rights United Nations 1966 - -
Convention on the Non-Applicability of Statutory Limitations to War Crimes and Crimes Against Humanity United Nations 1968 - -

Question: According to the human rights organization in Morocco, how long did it take for the International Covenant on Civil and Political Rights to be signed before it was ratified?