casos_x_100k = {
const svg = d3.create("svg")
.attr("viewBox", [0, 0, width, height])
.attr("id", "container");
svg.append("g")
.call(xAxis);
svg.append("g")
.call(yAxis_100k);
svg.append("g")
.call(grid);
svg.append("g").selectAll("circle")
.data(current)
.join("circle")
.attr("cx", d => x(d.avg_risk_estimate))
.attr("cy", d => y_100k(d.cases_x_100k))
.attr("r", d => radius(d.population))
.style("fill", "steelblue")
.style("opacity", "0.7")
.call(circle => circle.append("title")
.text(d => d.localidad));
return svg.node()
}