var barChartData = {
  labels: ["January", "February", "March", "April", "May", "June", "July"],
  datasets: [{
    fillColor: "rgba(220,220,220,0.5)",
    strokeColor: "rgba(220,220,220,1)",
    data: [65, 59, 90, 81, 56, 55, 40],
  }]
}