Ν
%
Years of Work
1-5
40
24
6-10
16
10
11-15
50
30
16-20
23
14
20-25
19
12
25-30
9
5
>30
8
Departmental Gravity
Heavy
102
62
Moderate
57
35
Light
6
3
Circular Hours
Yes
129
78
No
25
15
Occasionally
11
7
