Highlight columns on hover
Highlight columns on hover

Add a custom hover event to the chart for handling the highlighting

SeedScientific/polio,unicef/polio,unicef/rhizome,unicef/polio,SeedScientific/polio,SeedScientific/polio,unicef/rhizome,unicef/rhizome,unicef/polio,SeedScientific/polio,unicef/polio,unicef/rhizome,SeedScientific/polio