New arrivals take proportion of non-Spanish residents to 12% The number of immigrants registered as living in has increased more than sixfold over the last 10 years, figures released by its National Statistics Institute have revealed. Some 5.6 million non-Spaniards were registered as living in the country last year, accounting for 12% of the population, an increase of 400,000 on 2008. Immigration helped the population reach 46.7 million in 2009, up from 40.5 million in 2000 when the country had just 924,000 immigrants officially…