Rails chartkick stacked bar charts

You can replicate Stacked Bar Charts like this:

data = [
  {
    name: "Fantasy & Sci Fi", 
    data: [["2010", 10], ["2020", 16], ["2030", 28]]
  },
  {
    name: "Romance", 
    data: [["2010", 24], ["2020", 22], ["2030", 19]]
  },
  {
    name: "Mystery/Crime", 
    data: [["2010", 20], ["2020", 23], ["2030", 29]]
  }
]

And in the template:

<%= bar_chart data, stacked: true %>