A company recorded the ages of 8 randomly selected employees. The ages are shown in the table below.
| Employee | Age |
|---|---|
| 1 | 24 |
| 2 | 51 |
| 3 | 36 |
| 4 | 29 |
| 5 | 45 |
| 6 | 32 |
| 7 | 58 |
| 8 | 41 |
The median age of all employees in the company is 38.5 years. What is the difference between the median age of these 8 employees and the median age of all employees in the company?
0 years
1.5 years
2.5 years
3.5 years