At the 2011 Italian census, there were 179,149  people residing in the city. The population density was 978.9 persons per square kilometre. Minors (children ages 18 and younger) totalled 16.20 percent of the population compared to pensioners who number 22.54 percent. This compares with the Italian average of 18.06 percent (minors) and 19.94 percent (pensioners). The average age of Modena resident is 44 compared to the Italian average of 42. In the five years between 2002 and 2007, the population of Modena experienced 2.42% growth, while Italy as a whole grew by 3.56 percent. The current birth rate of Modena is 9.62 births per 1,000 inhabitants compared to the Italian average of 9.45 births.
Question: How many percentage points higher is the birthrate in Modena as compared to Italy as a whole?
Answer: .17