World per capita food fish consumption increased from an average of 9.9 kg (live weight equivalent) in the 1960s to 18.9 kg in 2011, according to Faostat estimates.
China has been responsible for most of the increase in world per capita fish consumption, increasing its share in world fish production from 7% in 1961 to 35% in 2010).
About 1000 years ago there was a sudden shift from freshwater towards marine species such as cod and herring. Globalization has further underlined this trend from freshwater to marine fish consumption, so no wonder Czechs eat 2.6 times more marine fish than the freshwater ones. Carp is dead, long live the tuna!
More details at Fish Consumption per Capita