question: what is the percentage of construction managers aged 55 and over among all construction managers in 2016?
table.cells: 1996 2016
table.cells: workers proportion of workers aged 55 and over median age ratio of younger workers to older workers workers proportion of workers aged 55 and over median age ratio of younger workers to older workers
table.cells: number percent years ratio number percent years ratio
table.cells: occupation
table.cells: retail and wholesale trade managers 175,100 13.0 40.9 1.89 225,900 26.7 46.8 0.48
table.cells: managers in agriculture 174,900 41.5 50.8 0.36 114,100 51.6 55.6 0.20
table.cells: construction managers 41,500 16.9 43.4 2.19 73,300 25.1 45.9 1.01
table.cells: restaurant and food service managers 58,200 11.3 37.8 3.60 64,000 20.3 42.6 0.79
table.cells: manufacturing managers 50,200 15.6 43.9 1.00 55,900 29.2 49.2 0.32