Column Charts are usually created in purpose of comparing the values of several items distributed on
Sample chart compares the revenue of selling products in two regions. Each series represents a state, you can turn on/off or
highlight (hover) a series by clicking or hovering a legend item. Tooltips are formatted to show
the name of the product as a tooltip name and the state name and revenue from that state are shown in
each tooltip’s body. Each series has its own color,
and the space
between two different series’ columns is diminished in order to make the columns of two different series
overlap one another.