[
  {
    "category": "Higher education",
    "billions": 27.7,
    "share": 54.7
  },
  {
    "category": "Nursery, elementary and secondary",
    "billions": 8.6,
    "share": 17
  },
  {
    "category": "Other education services",
    "billions": 14.4,
    "share": 28.3
  }
]