In the New Jersey gubernatorial election, 2013, Republican Chris Christie received 62.5% of the vote (4,926 cast), ahead of Democrat Barbara Buono with 35.9% (2,834 votes), and other candidates with 1.6% (124 votes), among the 8,017 ballots cast by the townships 16,108 registered voters (133 ballots were spoiled), for a turnout of 49.8%. In the New Jersey gubernatorial election, 2009, Republican Chris Christie received 4,787 votes (52.3% vs. 41.7% countywide), ahead of Democrat Jon Corzine with 3,421 votes (37.4% vs. 50.6%), Independent Chris Daggett with 793 votes (8.7% vs. 5.9%) and other candidates with 82 votes (0.9% vs. 0.8%), among the 9,146 ballots cast by the townships 15,871 registered voters, yielding a 57.6% turnout (vs. 46.5% in the county).
Question: How many percent of people did not vote in 2009,in the New Jersey gubernatorial election?
Answer: 42.4