Chart 3. Index of employment change in construction, by various methods of industry assignment, 1990–2018
Quarter Industry assignment method
Worksite Unemployment insurance account Employer identification number

Q1 1990

100.0 100.0 100.0

Q2 1990

108.8 108.9 109.0

Q3 1990

108.5 108.6 108.6

Q4 1990

99.3 99.5 99.5

Q1 1991

88.5 88.6 88.6

Q2 1991

97.4 97.6 97.8

Q3 1991

98.1 98.4 98.6

Q4 1991

91.0 91.3 91.5

Q1 1992

84.1 84.2 84.5

Q2 1992

94.4 94.8 94.9

Q3 1992

95.8 96.3 96.3

Q4 1992

90.9 91.2 91.5

Q1 1993

85.0 85.2 85.4

Q2 1993

96.6 97.1 97.0

Q3 1993

99.3 99.9 99.8

Q4 1993

95.7 96.1 96.0

Q1 1994

90.8 91.2 91.4

Q2 1994

103.4 103.8 104.0

Q3 1994

106.5 107.0 107.6

Q4 1994

102.0 102.4 102.9

Q1 1995

96.9 97.5 97.7

Q2 1995

107.7 108.3 108.2

Q3 1995

109.9 110.6 110.4

Q4 1995

105.2 105.9 105.8

Q1 1996

100.9 101.3 101.6

Q2 1996

113.4 114.6 114.9

Q3 1996

115.4 115.8 116.1

Q4 1996

110.9 112.4 112.6

Q1 1997

106.8 108.4 108.5

Q2 1997

118.4 120.2 120.1

Q3 1997

120.8 122.6 122.5

Q4 1997

115.9 117.7 117.6

Q1 1998

111.1 113.1 113.2

Q2 1998

124.7 126.8 126.8

Q3 1998

127.1 129.2 129.3

Q4 1998

124.7 125.2 125.5

Q1 1999

119.8 120.4 120.3

Q2 1999

132.5 133.2 133.0

Q3 1999

134.1 134.9 134.7

Q4 1999

130.6 131.3 131.3

Q1 2000

127.6 128.2 128.2

Q2 2000

139.0 139.8 139.6

Q3 2000

139.7 140.3 140.0

Q4 2000

134.2 134.8 134.6

Q1 2001

130.5 132.7 132.3

Q2 2001

141.6 144.7 144.6

Q3 2001

140.8 143.0 142.8

Q4 2001

134.2 136.3 136.1

Q1 2002

128.4 130.4 130.7

Q2 2002

138.6 140.6 140.9

Q3 2002

139.0 141.2 141.5

Q4 2002

132.9 134.9 135.2

Q1 2003

126.4 128.6 128.9

Q2 2003

138.0 140.4 140.8

Q3 2003

139.4 141.7 142.1

Q4 2003

134.7 136.7 137.2

Q1 2004

131.2 132.9 133.1

Q2 2004

143.2 144.9 145.5

Q3 2004

144.6 146.2 146.8

Q4 2004

141.1 142.7 143.3

Q1 2005

136.8 138.7 139.3

Q2 2005

150.1 152.7 153.3

Q3 2005

153.0 155.7 156.0

Q4 2005

149.1 151.6 152.1

Q1 2006

147.0 149.5 149.7

Q2 2006

158.6 161.2 161.8

Q3 2006

158.0 160.4 161.0

Q4 2006

151.7 153.5 153.9

Q1 2007

146.9 149.0 149.4

Q2 2007

157.7 159.7 160.2

Q3 2007

156.3 158.3 158.6

Q4 2007

148.5 150.3 151.0

Q1 2008

141.1 142.7 143.3

Q2 2008

148.6 150.3 150.7

Q3 2008

145.9 147.4 147.8

Q4 2008

133.3 134.7 135.1

Q1 2009

119.1 120.2 120.5

Q2 2009

122.9 124.0 124.1

Q3 2009

119.8 120.8 121.0

Q4 2009

111.7 112.7 112.5

Q1 2010

104.3 105.1 105.3

Q2 2010

113.7 114.6 114.4

Q3 2010

114.4 115.3 115.1

Q4 2010

108.4 109.3 109.0

Q1 2011

103.3 104.2 104.0

Q2 2011

113.2 114.4 114.1

Q3 2011

115.2 116.5 116.4

Q4 2011

110.0 111.2 110.9

Q1 2012

106.3 107.1 107.2

Q2 2012

115.2 116.2 116.4

Q3 2012

116.6 117.6 117.2

Q4 2012

113.1 113.9 113.7

Q1 2013

110.0 110.6 110.4

Q2 2013

119.9 120.2 119.9

Q3 2013

121.9 122.3 122.0

Q4 2013

117.4 117.6 117.3

Q1 2014

114.8 115.1 115.6

Q2 2014

125.7 126.4 126.2

Q3 2014

127.8 128.4 128.2

Q4 2014

124.3 124.8 124.6

Q1 2015

120.8 121.3 121.4

Q2 2015

131.9 132.6 132.6

Q3 2015

133.5 134.3 134.6

Q4 2015

131.0 131.8 132.2

Q1 2016

127.8 128.5 128.6

Q2 2016

137.1 137.9 138.1

Q3 2016

138.5 139.3 139.7

Q4 2016

134.1 134.7 135.1

Q1 2017

132.5 133.2 133.4

Q2 2017

142.7 143.4 144.0

Q3 2017

142.6 143.1 144.1

Q4 2017

139.9 140.9 141.1

Q1 2018

138.5 139.7 140.1

Q2 2018

148.9 149.7 150.0

Q3 2018

149.2 150.0 150.5

Q4 2018

145.8 146.3 146.8

Source: U.S. Bureau of Labor Statistics.