While Paris has some of the richest neighbourhoods in France, it also has some of the poorest, mostly on the eastern side of the city. In 2012, 14 percent of households in the city earned less than €977 per month, the official poverty line. Twenty-five percent of residents in the 19th arrondissement lived below the poverty line; 24 percent in the 18th, 22 percent in the 20th and 18 percent in the 10th. In the city's wealthiest neighbourhood, the 7th arrondissement, 7 percent lived below the poverty line; 8 percent in the 6th arrondissement; and 9 percent in the 16th arrondissement.
What percentage of people lived below the poverty line in Paris' wealthiest neighborhood?
7