The correct answer is 10%.
Sometimes these numbers were higher, sometimes they were lower, but in general, good economic years hovered around 10% which was not so bad for the society since it's impossible to reduce it to 0% and it is also easy for it to go way over 10%, so the 10% mark was acceptable for numerous countries in Europe.
Need statements to answer
In Germany, the power is with the people (=it's a democracy) which are represented by the members of the parliament: it's a representative democracy. It's also a federation of 16 states.
Iran, on the other hand is a theocracy: a country ruled by the members of the clergy. It can also be named an oligarchy: the power is with a few members of the society.
The war changed the traditional gender roles for women enlisted in the armed forces and how they took jobs outside their homes.