check we have data for all variables for stacked area chart, if not, added those values
check we have data for all variables for stacked area chart, if not, added those values

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