Lastly, the lowest levels of coverage are seen in Guatemala, Honduras, Nicaragua, Paraguay and the Plurinational State of Bolivia, where affiliation ranges from 30% to 40%. Increases were especially significant in urban areas of Argentina, in Colombia, in the Dominican Republic, in urban areas of Ecuador and in Peru, ranging from between 14 and 23 percentage points. El Salvador was the only country to record a decline (2 percentage points) and the variations were not statistically significant in Honduras, Mexico or Nicaragua (see figure 13).