In the Netherlands I notice that small companies tend to use the formal way a bit more often, whereas large companies prefer the informal way, probably to make it feel more modern and less stiff. Is that similar in Portugal?

It looks like just the UK, France and Germany combined already add up to more aid with a combined GDP that’s much lower than the US. These kinds of graphs give a distorted picture due to the high population and GDP that the US has.

GDP: http://www.wolframalpha.com/input/?i=gdp+of+uk%2C+france%2C+us+and+germany

Population: http://www.wolframalpha.com/input/?i=population+of+uk%2C+france%2C+us+and+germany