From 1960 to 1980, annual gross domestic product (GDP) growth averaged 6.1 percent, medical care was free, literacy was 91 percent, and life expectancy was 72 years.
Vinte anos antes de 1980, o crecemento do produto interior bruto (PIB) era de un 6,1 % de promedio anual, a atención médica era gratuita, a alfabetización era do 91 % da poboación e a expectativa de vida alcanzaba os 72 anos.