{"cols":[{"label":"Year","type":"string"},{"label":"Changes in balance sheet items","type":"number"}],"rows":[{"c":[{"v":"2011","f":null},{"v":-1040,"f":"-1,040"}]},{"c":[{"v":"2012","f":null},{"v":-606,"f":"-606"}]},{"c":[{"v":"2013","f":null},{"v":-246,"f":"-246"}]},{"c":[{"v":"2014","f":null},{"v":-664,"f":"-664"}]},{"c":[{"v":"2015","f":null},{"v":-316,"f":"-316"}]}]}