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 "most people": those who earn less than 5200 € per month. Along the way, you'll see several of those "bumps" where if you earn more, you end up with less.
Now, are you curious to see my proposal?
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...