js to load the file:  

```js
d3.csv("data.csv").then(data => {
  data.forEach(d => {
    d.Year = +d.Year;
    d.Engine_Size_L = +d.Engine_Size_L;
    d.Mileage_KM = +d.Mileage_KM;
    d.Price_USD = +d.Price_USD;
    d.Sales_Volume = +d.Sales_Volume;
  });
  console.log("Data ready:", data[0]);
});
