Indicators of growth since 1900

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  "schemaVersion": 1,
  "type": "multiples",
  "title": "Indicators of growth since 1900",
  "source": "Sample data, rounded",
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  "columns": 2,
  "height": 520,
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  "panes": [
    {
      "title": "Population (millions)",
      "layers": [
        {
          "mark": "line",
          "name": "Value",
          "points": [
            {
              "time": "1900",
              "value": 1650
            },
            {
              "time": "1925",
              "value": 2000
            },
            {
              "time": "1950",
              "value": 2500
            },
            {
              "time": "1975",
              "value": 4060
            },
            {
              "time": "2000",
              "value": 6150
            },
            {
              "time": "2025",
              "value": 8100
            }
          ]
        }
      ]
    },
    {
      "title": "Primary energy (PWh)",
      "layers": [
        {
          "mark": "line",
          "name": "Value",
          "points": [
            {
              "time": "1900",
              "value": 12
            },
            {
              "time": "1925",
              "value": 20
            },
            {
              "time": "1950",
              "value": 28
            },
            {
              "time": "1975",
              "value": 75
            },
            {
              "time": "2000",
              "value": 117
            },
            {
              "time": "2025",
              "value": 180
            }
          ]
        }
      ]
    },
    {
      "title": "Water withdrawal (km³)",
      "layers": [
        {
          "mark": "line",
          "name": "Value",
          "points": [
            {
              "time": "1900",
              "value": 580
            },
            {
              "time": "1925",
              "value": 800
            },
            {
              "time": "1950",
              "value": 1300
            },
            {
              "time": "1975",
              "value": 2600
            },
            {
              "time": "2000",
              "value": 3700
            },
            {
              "time": "2025",
              "value": 4100
            }
          ]
        }
      ]
    },
    {
      "title": "Fertilizer use (Mt)",
      "layers": [
        {
          "mark": "line",
          "name": "Value",
          "points": [
            {
              "time": "1900",
              "value": 1
            },
            {
              "time": "1925",
              "value": 3
            },
            {
              "time": "1950",
              "value": 14
            },
            {
              "time": "1975",
              "value": 95
            },
            {
              "time": "2000",
              "value": 135
            },
            {
              "time": "2025",
              "value": 190
            }
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