{
  "dimensions": ["product", "2015"],
  "source": [
    { "product": "Matcha Latte", "2015": 20 },
    { "product": "Milk Tea", "2015": 40 },
    { "product": "Cheese Cocoa", "2015": 60 },
    { "product": "Walnut Brownie", "2015": 80 },
    { "product": "Walnut", "2015": 100 }
  ]
}