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.
The mass of the objects ? (you did not give us any certain word)
based on my research, it must be c. plush conditions
