:::

Doctoral 17.07%

Master 58.19%

Bachelor 16.38%

Junior College & Other 8.36%

0~3 years 22.3%

3~5 years 13.59%

5~10 years 13.59%

10~15 years 12.54%

15~20 years 17.42%

Over 20 years 20.56%