context: In 2007, there were 101,480 people residing in Ancona (the greater area has a population more than four times its size), located in the province of Ancona, Marches, of whom 47.6% were male and 52.4% were female. Minors (children ages 18 and younger) totalled 15.54 percent of the population compared to pensioners who number 24.06 percent. This compares with the Italian average of 18.06 percent (minors) and 19.94 percent (pensioners). The average age of Ancona resident is 48 compared to the Italian average of 42. In the five years between 2002 and 2007, the population of Ancona grew by 1.48 percent, while Italy as a whole grew by 3.56 percent. The current birth rate of Ancona is 8.14 births per 1,000 inhabitants compared to the Italian average of 9.45 births.
question: How many years older is the average age of residents of Ancona than the Italian average?
answer: 6