Industry

Total listed

Excluded firms

Included firms

% of full sample

% Inclusion

# Obs.

Included sectors

Manufacturing

47

5

42

40%

89%

420

Services

77

26

51

49%

66%

510

Real estate

33

22

11

11%

33%

110

Excluded sectors

Banking

15

15

0

0

Insurance

21

21

0

0

Total

193

89

104

100%

1040

Margin of error calculation for sample selection at 95% level of confidence

Manufacturing

Margin of error

Service

Margin of error

Real estate

Margin of error

Full sample

42 of 104

11.73%

51 of 104

9.84%

11 of 104

28.08%

Sub-sample

42 of 47

4.99%

51 of 77

8.03%

11 of 33

24.50%