Click on a circle to expand. Click on an icon to see details and the reference to its article. The respective article opens in a new tab if you click on the line. Line colors show different countries or articles: Green: Argentina - North 2011, 2012 and 2013, Blue: Bolivia 2011, 2012 and 2013, Purple: Brazil 2012 and 2013, Cyan: Chile - North 2011 and 2012Yellow: Paraguay 2011, Red: Peru 2012 and 2013