Obesity is a big problem all over consumer countries, often it is due to excessive sugar laden softdrink abuse.
No. 1 one in this context is, hardly surprising, the birthplace of Coca Cola, namely the USA.
An attempt to come to grips with this problem is the prohibition of sale of saccharine enriched thirst quenchers in XXL jars.

source

Countries Amount:
# 1 United States: 216 litres
# 2 Ireland: 126 litres
= 3 Norway: 119.8 litres