{"cols":[{"label":"Year","type":"string"},{"label":"Cost of services","type":"number"}],"rows":[{"c":[{"v":"2011","f":null},{"v":-2518.885,"f":"-2,519"}]},{"c":[{"v":"2012","f":null},{"v":-2817.375,"f":"-2,817"}]},{"c":[{"v":"2013","f":null},{"v":-3099,"f":"-3,099"}]},{"c":[{"v":"2014","f":null},{"v":-3453,"f":"-3,453"}]},{"c":[{"v":"2015","f":null},{"v":-3904,"f":"-3,904"}]}]}