Don't cut off zero points on line charts
Don't cut off zero points on line charts

aaldaber/owid-grapher,aaldaber/owid-grapher,OurWorldInData/owid-grapher,owid/owid-grapher,owid/owid-grapher,OurWorldInData/owid-grapher,owid/owid-grapher,aaldaber/owid-grapher,aaldaber/owid-grapher,owid/owid-grapher,OurWorldInData/owid-grapher,OurWorldInData/our-world-in-data-grapher,OurWorldInData/owid-grapher,OurWorldInData/our-world-in-data-grapher,OurWorldInData/our-world-in-data-grapher,OurWorldInData/our-world-in-data-grapher,aaldaber/owid-grapher,owid/owid-grapher,OurWorldInData/owid-grapher