The table does not take into account the mandatory insurance. 33.1% is the social security insurance and 13.5% is health insurance. And you have to pay those. In some countries those are part of the income tax... People in general including many foreign employers are perplexed with the actual cost of employment over here.  

 exactly.

you get ~ 65% of your income and then you pay ~20% from every item or service you buy.

Not to mention how much the employer has to pay  for your behalf.

The result is: You get 50% for your work if you're lucky.