vl.markLine()
.data(filtered)
.encode(
vl.x().field("year").type("quantitative").title("Year").axis({format:"d"}),
vl.y().field("value").type("quantitative").title("% Male in Agriculture"),
vl.color().field("country").type("nominal").title("Country")
)
.width(700)
.height(400)
.title("Has Male Employment in Agriculture Declined Over Time?")
.render()