Efforts to amend or change the 1987 Constitution
1. Presidency of Fidel V. Ramos
2. Attempt in 1995 by Jose Almonte
3. Attempt in 1997 by PIRMA
4. Effort under President Estrada
5. Attempt by House Speaker Jose de Venecia under President Arroyo
6. No marked interest under President Aquino III
7. Supported by President Duterte