title: Carlos Salinas de Gortari
context: Carlos Salinas de Gortari (Spanish pronunciation:[ˈkaɾlos saˈlinaz ðe ɣoɾˈtaɾi]; born 3 April 1948) is a Mexican economist and politician affiliated with the Institutional Revolutionary Party (PRI) who served as President of Mexico from 1988 to 1994. He is widely regarded as the most influential politician in Mexico over the last 30 years. Earlier in his career he worked in the Budget Secretariat eventually becoming Secretary. He was the PRI presidential candidate in 1988, and was declared elected on 6 July 1988 after a controversial electoral process and accusations of electoral fraud.[3]
question: When did Carlos Salinas de Gortari serve as President of Mexico?
answers: 1988 to 1994