New data published by Spain's Sociological Research Centre (CIS) on Tuesday shows Spaniards were eight points less worried about the independence of Catalonia in December (16.7) than they were in November (24.6).

The situation is far from being back to normal, though, if the data points are compared to the months before the most intense phase of the crisis in October (29.0).

National concern over the issue only began to ramp up in August, a month that saw terror attacks in Barcelona and Cambrils and a separatist response that sought to further differentiate Catalonia from the rest of ...