Tyč na závěsy, zkrácení šnůry u lampy

[{"from":500,"to":1200,"value":231,"percent":21},{"from":1200,"to":1900,"value":218,"percent":19},{"from":1900,"to":2600,"value":289,"percent":26},{"from":2600,"to":3300,"value":126,"percent":11},{"from":3300,"to":4000,"value":57,"percent":5},{"from":4000,"to":4700,"value":64,"percent":6},{"from":4700,"to":5400,"value":51,"percent":5},{"from":5400,"to":6100,"value":27,"percent":2},{"from":6100,"to":6800,"value":11,"percent":1},{"from":6800,"to":7500,"value":10,"percent":1},{"from":7500,"to":8200,"value":13,"percent":1},{"from":8200,"to":8900,"value":3,"percent":0},{"from":8900,"to":9600,"value":4,"percent":0},{"from":9600,"to":10300,"value":13,"percent":1},{"from":10300,"to":11000,"value":4,"percent":0},{"from":11000,"to":11700,"value":1,"percent":0}]