test.json

{
   "type": "Line",
   "style": "DarkSolarizedStyle",
   "title": "Browser usage evolution",
   "config": {
      "print_values": true,
      "show_y_guides": false,
      "interpolate": "cubic"
   },

   "x": [2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012],
   "y": [5, 10, 15, 20, 30, 40, 50, 60, 70, 80, 90, 100],

   "series": [
        {"title": "Firefox", "values": [null, null, 0, 16.6, 25, 31, 36.4, 45.5, 46.3, 42.8, 37.1]},
        {"title": "Chrome", "values": [null, null, null, null, null, null, 0, 3.9, 10.8, 23.8, 35.3]},
        {"title": "IE", "values": [85.8, 84.6, 84.7, 74.5, 66, 58.6, 54.7, 44.8, 36.2, 26.6, 20.1]},
        {"title": "Others", "values": [14.2, 15.4, 15.3, 8.9, 9, 10.4, 8.9, 5.8, 6.7, 6.8, 7.5]}
   ]
}