{
  "valueSuffix": "",
  "groups": {
    "0": {
      "title": "",
      "subTitle": "",
      "caption": "",
      "yAxis": {
        "left": "",
        "right": ""
      },
      "xAxis": {
        "bott": "",
        "top": ""
      },
      "legend": ""
    }
  },
  "series": {
    "periods": {
      "name": {
        "From 1961 to 1970": "",
        "From 1971 to 1980": "",
        "From 1981 to 1990": "",
        "From 1991 to 2000": "",
        "From 2001 to 2010": "",
        "From 2011 to present": "",
        "Entire period": "",
        "From 1931 to 1960": "",
        "From 1961 to 1990": "",
        "From 1991 to present": ""
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  }
}