vl
.markLine({ tooltip: true })
.data(allTeamData.map(d => _reduce(d, key)))
.encode(
vl
.x({
axis: { grid: false },
scale: { domain: d3.extent(years) }
})
.fieldQ("year"),
vl.y({ axis: { grid: false } }).fieldQ("value")
)
.config({ view: { stroke: null } })
.width(width * .75)
.height(350)
.render()