Plot.plot({
y: {label: "Año", type: "band"},
x: {label: "Cantidad de obras influenciadas"},
marks: [
Plot.barX(
d3.rollups(influenciados, v => v.length, d => d.year)
.map(([year, count]) => ({year, count}))
.sort((a, b) => a.year - b.year),
{y: "year", x: "count"}
)
]
})