1999 UNAM strike cents in the 1993 currency revaluation); the amount is specified in the University bylaws, and changing it requires action by the University Council (a legislative body that comprises representatives of the faculty and students, and all directors of schools, faculties, and institutes). By 1999, inflation and the exchange rate meant that tuition amounted to about 0.02 US dollars. The quality of education of the UNAM, alma mater of several Latin American presidents had decayed since its glory days. At the time, UNAM had a budget of about one thousand million dollars, of which 90% was provided by the federal government.
Mexicans in 1936), were established during the first half of the 20th century. Most of the new research institutes were created within UNAM. Twelve institutes were integrated into UNAM from 1929 to 1973. In 1959, the Mexican Academy of Sciences was created to coordinate scientific efforts between academics. In 1995 the Mexican chemist Mario J. Molina shared the Nobel Prize in Chemistry with Paul J. Crutzen and F. Sherwood Rowland for their work in atmospheric chemistry, particularly concerning the formation and decomposition of ozone. Molina, an alumnus of UNAM, became the first Mexican citizen to win the Nobel Prize in science.