Area Represents for
Color Represents Change in from to
This graphic is a tree map, a data visualization tool for displaying multiple dimensions of hierarchical data. Here, each tree map displays NCCI data for over 500 national classifications arranged into groups.
Click on a year to interact with the graphic.
Use the menu bar at the top of the page to select the data type and class grouping.
Class Code(s):
Share of Total for :
Change from to
:
This tree map works like most map interfaces. It supports zooming and panning. Zoom in and out using the mouse-wheel. When zoomed in, click, hold, and drag to move the map.
Use the menu bar at the top of the page to select the data type and class grouping.
Choose a year with the slider or graphically using the Overview.