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Historical Values
Year Value
1993 ratified 16 December 1992; effective 1 January 1993
1994 ratified 16 December 1992; effective 1 January 1993
1995 ratified 16 December 1992; effective 1 January 1993
1996 ratified 16 December 1992; effective 1 January 1993
1997 ratified 16 December 1992; effective 1 January 1993
1998 ratified 16 December 1992; effective 1 January 1993
1999 ratified 16 December 1992; effective 1 January 1993
2000 ratified 16 December 1992; effective 1 January 1993
2001 ratified 16 December 1992; effective 1 January 1993
2002 ratified 16 December 1992; effective 1 January 1993
2003 ratified 16 December 1992; effective 1 January 1993
2004 ratified 16 December 1992; effective 1 January 1993
2005 ratified 16 December 1992, effective 1 January 1993
2006 ratified 16 December 1992, effective 1 January 1993
2007 ratified 16 December 1992, effective 1 January 1993
2008 ratified 16 December 1992, effective 1 January 1993
2009 ratified 16 December 1992, effective 1 January 1993; amended 1997, 2000, 2001 (twice), 2002
2010 ratified on 16 December 1992, effective on 1 January 1993; amended in 1997, 2000, 2001 (twice), 2002
2011 ratified 16 December 1992, effective 1 January 1993; amended several times
2012 ratified 16 December 1992, effective 1 January 1993; amended several times
2013 previous 1960; latest ratified 16 December 1992, effective 1 January 1993; amended several times, last in 2013 (2013)
2014 previous 1960; latest ratified 16 December 1992, effective 1 January 1993; amended several times, last in 2013 (2013)
2015 previous 1960; latest ratified 16 December 1992, effective 1 January 1993; amended several times, last in 2013 (2013)
2016 previous 1960; latest ratified 16 December 1992, effective 1 January 1993; amended several times, last in 2013 (2016)
2017 history: previous 1960; latest ratified 16 December 1992, effective 1 January 1993 | amendments: passage requires at least three-fifths concurrence by members present in both houses of Parliament; amended several times, last in 2013 (2016)
2018 history: previous 1960; latest ratified 16 December 1992, effective 1 January 1993 (2017) | amendments: passage requires at least three-fifths concurrence by members present in both houses of Parliament; amended several times, last in 2013 (2017)
2019 history: previous 1960; latest ratified 16 December 1992, effective 1 January 1993 | amendments: passage requires at least three-fifths concurrence of members present in both houses of Parliament; amended several times, last in 2013 (2017)
2020 history: previous 1960; latest ratified 16 December 1992, effective 1 January 1993 | amendments: passage requires at least three-fifths concurrence of members present in both houses of Parliament; amended several times, last in 2013
2021 history: previous 1960; latest ratified 16 December 1992, effective 1 January 1993 amendments: passage requires at least three-fifths concurrence of members present in both houses of Parliament; amended several times, last in 2021
2022 history: previous 1960; latest ratified 16 December 1992, effective 1 January 1993 amendments: passage requires at least three-fifths concurrence of members present in both houses of Parliament; amended several times, last in 2021
2023 history: previous 1960; latest ratified 16 December 1992, effective 1 January 1993 amendments: passage requires at least three-fifths concurrence of members present in both houses of Parliament; amended several times, last in 2021
2024 history: previous 1960; latest ratified 16 December 1992, effective 1 January 1993 amendments: passage requires at least three-fifths concurrence of members present in both houses of Parliament; amended several times, last in 2021
2025 history: previous 1960; latest ratified 16 December 1992, effective 1 January 1993 amendment process: passage requires at least three-fifths concurrence of members present in both houses of Parliament