{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-schema/echo-dfr-dfr104-schema.json",
  "title": "dfr104",
  "description": "Header Object",
  "type": "object",
  "properties": {
    "Year1": {
      "description": "The calendar year during which TRI releases and transfers occurred.",
      "example": "2009",
      "title": "Year 1",
      "type": "string"
    },
    "Year2": {
      "description": "The calendar year during which TRI releases and transfers occurred.",
      "example": "2010",
      "title": "Year 2",
      "type": "string"
    },
    "Year3": {
      "description": "The calendar year during which TRI releases and transfers occurred.",
      "example": "2011",
      "title": "Year 3",
      "type": "string"
    },
    "Year4": {
      "description": "The calendar year during which TRI releases and transfers occurred.",
      "example": "2012",
      "title": "Year 4",
      "type": "string"
    },
    "Year5": {
      "description": "The calendar year during which TRI releases and transfers occurred.",
      "example": "2013",
      "title": "Year 5",
      "type": "string"
    },
    "Year6": {
      "description": "The calendar year during which TRI releases and transfers occurred.",
      "example": "2014",
      "title": "Year 6",
      "type": "string"
    },
    "Year7": {
      "description": "The calendar year during which TRI releases and transfers occurred.",
      "example": "2015",
      "title": "Year 7",
      "type": "string"
    },
    "Year8": {
      "description": "The calendar year during which TRI releases and transfers occurred.",
      "example": "2016",
      "title": "Year 8",
      "type": "string"
    },
    "Year9": {
      "description": "The most recent calendar year during which TRI releases and transfer occurred.",
      "example": "2017",
      "title": "Year 9",
      "type": "string"
    }
  },
  "required": [
    "Year9",
    "Year8",
    "Year7",
    "Year6",
    "Year5",
    "Year4",
    "Year3",
    "Year2",
    "Year1"
  ]
}