The population growth experienced during the nineteenth century accelerated steadily beginning around 1920: 16,013 inhabitants that year, 33,360 in 1960, 53,237 in 1981.
O crecemento da poboación experimentado ao longo do século XIX acelerouse a partir de 1920: 16.013 habitantes ese ano, 33.360 en 1960, 53.237 en 1981.