DentistsPerYear.json

{
    "$schema": "https://vega.github.io/schema/vega-lite/v5.json",
    "width": 350, 
    "height": 350, 
    "description": "The following chart demonstrates the general decline in the number of dentists globally.",
    "background": null, 
    "title": {
      "text": "Dentists",
      "fontSize": 24,  
      "fontWeight": "normal",
      "font": "Times New Roman", 
      "fontStyle": "italic",
      "anchor": "middle"  
    },
    "data": {"url": "https://raw.githubusercontent.com/afia-farzana167/Code/refs/heads/main/Data/Dentists%20Per%2010000.csv"},
    "mark": {
      "type": "trail",
      "point": {"filled": true, "size": 100}
    },
    "encoding": {
      "x": {
        "field": "Period",
        "type": "ordinal",
        "title": null
      },
      "y": {
        "aggregate":"mean", 
        "field": "Value", 
        "type": "quantitative", 
        "axis": {
              "title": "Number of Dentists (per 10,000 people)",
              "tickCount": 5, 
              "titleFont": "Times New Roman", 
              "titleFontSize": 16,
              "titleFontWeight": "normal", 
              "titlePadding": 10
            }
      },
      "color": {
        "field": "ParentLocation", 
        "type": "nominal", 
        "legend": null, 
        "scale": {"range": ["#1f77b4", "#2ca02c", "#fffdd0", "#17becf", "#bcbd22"]}
      }, 
      "tooltip": [
        {"field": "ParentLocation", "title": "Continent"},
        {"field": "Period", "title": "Year"},
        {"field": "Value", "title": "Number"}
      ]
    }
  }