Plot.plot({
marginBottom: 60,
marginLeft: 60,
marginTop: 60,
style: {fontSize: 24},
x: {tickFormat: n => ""+n, grid: true, label: "", labelArrow: false},
y: {domain: [0,50], grid: true, label: "Proportion of seats held by women in national parliaments (%)", labelArrow: false},
marks: [
Plot.ruleY([0]),
Plot.lineY(seatsData, {x: "year", y: "seats", marker: "dot", strokeWidth: 2, stroke: "blue"})
]
})