10Coinciding towards the expanding exposure away from immigrants, there has already been a boost in the newest crude birth speed (regarding nine.dos for every single thousand into the 1996 in order to 10.6 for every single thousand when you look at the 2004). six for every thousand, double that of Spaniards (nine.8). This pit try partly told me because of the variations in ages build, because the average age of the fresh new overseas people (31.a couple of years in 2001), are well less than that new Spanish population (37.8), therefore the proportion of women away from childbirth age is significantly high certainly one of foreigners (70.6%) than simply certainly nationals (52%).