Table:
immigrant class

family
economic
business
dependants
refugees

percent distribution

industry

construction of buildings
2.5
1.6
2.4
1.7
2.9

specialty trade contractors
6.7
2.9
1.5
2.6
7.8

manufacturing
3.7
4.0
5.2
3.4
4.5

wholesale trade
3.8
5.8
13.1
6.3
3.1

retail trade
10.0
10.7
16.3
12.4
11.1

truck transportation
13.0
3.1
1.2
2.3
9.8

transit and ground passenger transportation
0.3
0.1
0.1
0.1
0.4

lessors of real estate
1.0
0.8
3.5
1.6
0.9

offices of real estate agents and brokers
0.4
0.5
0.8
0.5
0.3

accounting, tax preparation, bookkeeping and payroll services
0.7
1.2
0.3
1.0
0.6

architectural, engineering and related services
1.2
3.7
0.5
2.1
1.7

computer systems design and related services
3.2
11.8
1.0
6.8
3.4

management, scientific and technical consulting services
2.1
4.1
2.2
3.2
1.2

services to buildings and dwellings
2.1
0.9
0.7
1.0
2.7

offices of physicians
2.7
5.7
0.6
5.6
2.5

offices of dentists
1.3
1.0
0.5
2.5
1.5

child day-care services
0.3
0.3
0.3
0.7
0.3

food services and drinking places
10.6
7.9
9.9
9.5
13.3

all other industries
34.4
33.8
40.1
36.9
32.0

total percent of owners
100.0
100.0
100.0
100.0
100.0

number

total
44,199
38,659
7,266
29,318
17,035

percent

knowledge-based industries
8.2
22.9
5.0
14.4
7.5

Statement: primary self-employment among economic class dependants was concentrated in real estate leasing, services to buildings and dwellings, and retail trade.
Question: list top three self-employment among economic class dependants.
Answer: retail trade, services to buildings and dwellings, lessors of real estate