Percentage Change in Payroll

-100% -15% -5% 0% 5% 15% 150%

2003 to 2004

This graphic is a treemap, a data visualization tool for displaying multiple dimensions of hierarchical data. Here, each treemap displays NCCI payroll data for over 500 national classifications arranged into groups of similar occupations.

Click on a year to interact with the graphic.

This treemap 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.

Choose a year with the slider or graphically using the Overview.