This shows you what's going to happen. Point your mouse to each point in the graph to know more details.
You are only seeing the first half of the graphic. While it gives you more detail, you might prefer more prespective.
This only shows you the people who gets less than the minimum monthly wage. Notice that theres a point in the graph where if you earn more, you end up with less. See another view of this first part, but a little zoomed out.
IRS 2012 in Portugal: how many € people earn monthly vs. how much they get (after taxes collection)
Grab the code here. The presentation was inspired by one of Raphaël's demos...