Figure 5. Multifactor productivity in air transportation and private nonfarm business, 1997–2014 (index, 1997 = 100)
Year Air transportation Private nonfarm business

1997

100.0 100.0

1998

99.3 101.2

1999

106.7 103.2

2000

113.3 104.8

2001

110.9 105.4

2002

123.5 107.6

2003

126.6 110.0

2004

145.0 112.7

2005

152.3 114.4

2006

159.0 114.8

2007

163.8 115.4

2008

162.1 113.9

2009

167.4 113.5

2010

170.5 116.8

2011

170.8 117.1

2012

170.0 118.0

2013

177.0 117.9

2014

174.2 118.8
Sources: U.S. Bureau of Labor Statistics, U.S. Bureau of Economic Analysis, and U.S. Bureau of Transportation Statistics.