<Li> The share of full - time jobs was 83% in 2007, but fell to 80% by February 2010, recovering steadily to 81.5% by May 2016 . </Li> <Li> The number of persons working part - time for economic reasons remained above the pre-crisis level as of August 2016 . The number rose from 4.6 million in December 2007 (pre-crisis) to a peak of 9.7 million in March 2010, before falling to 6.0 million in August 2016 . Measured as a percent of total employed in the private sector, the figures were 3.3%, 7.1%, and 4.0%, respectively . Federal Reserve Governor Lael Brainard cited this as an indicator of labor market slack in a September 2016 speech . </Li> <Li> Measured between 2005 and 2015, the net job creation was in alternative work arrangements (i.e., contract, temporary help, on - call, independent contractors or freelancers). Some of these workers may qualify as full - time (greater than 35 hours / week) while others are part - time . In other words, the number of workers in traditional jobs was essentially unchanged for 2005 and 2015, while the alternative work arrangement level increased by 9.4 million . </Li> <P> The U.S. Federal Reserve tracks a variety of labor market metrics, which affect how it sets monetary policy . One "dashboard" includes nine measures, only three of which had returned to their pre-crisis (2007) levels as of June 2014 . The Fed also publishes a "Labor market conditions index" that includes a score based on 19 other employment statistics . </P>

In which of the following years was unemployment the highest