The presidential term has been set at five years since 1988 and can only serve for one term, it was previously set at four years from 1948 to 1971 and seven years from 1971 to 1988.
The presidential term has been set at five years since 1988, six years since 1993, seven years since 1999, two years since 2007 and five years since 2008 till present. It was previously four years from 1948 to 1971 and seven years from 1971 to 1988.