It has been determined that their distribution with
respect to their working periods is: 36.66% were 1-5years, 26.67% were 6-10 years, 15.56% were 11-15 years,
11.11% were 16-20 years, 5.56% were 21-25 years, 3.33% were 26-30 years and 1.11% more than 30 years
(Table 3)