Figure 5. Index of hours, output, and labor productivity in highways, roads, and bridges construction, 2002–16 (base year 2002 = 100)
Year	Hours	Output	Labor productivity
2002	100.00	100.00	100.00
2003	94.95	97.31	102.49
2004	95.81	90.51	94.47
2005	97.09	82.32	84.79
2006	93.39	79.33	84.95
2007	87.91	83.13	94.57
2008	81.82	80.39	98.25
2009	71.11	90.73	127.58
2010	71.84	89.12	124.07
2011	71.49	79.65	111.42
2012	73.47	74.43	101.30
2013	73.26	74.65	101.89
2014	74.86	74.62	99.68
2015	78.76	79.11	100.44
2016	81.66	81.54	99.85
Note: The recession period was from December 2007 to June 2009, as determined by the National Bureau of Economic Research. Source: U.S. Bureau of Labor Statistics.