Table 4-2 shows that professionals aged 21-40 years amounted to 4 percent of people aged 41 years, the number one expert 80.00, representing a 20 percent increase.
From the Table 4-2 shows that the expert 21-40 years age, number of 4 people were 80.00 experts 41 years age, number of 1 people. The percentage of 20.