GDP by country visualization

Full code of an example:

$(function(){
  $('#world-map-gdp').vectorMap({
    map: 'world_mill',
    series: {
      regions: [{
        values: gdpData,
        scale: ['#C8EEFF', '#0071A4'],
        normalizeFunction: 'polynomial'
      }]
    },
    onRegionTipShow: function(e, el, code){
      el.html(el.html()+' (GDP - '+gdpData[code]+')');
    }
  });
});