Many students use public transportation. The Keimyung Gazette carried out a survey with 100 university students.

1. How often do you use public transportation?
① Four to five times a week (37%)
② Twice to three times a week (25%)
③ More than six times a week (24%)
④ Less than once a week (14%)

2. What do you think is the safest public transportation?
① Subway (44%)
② Train (25%)
③ Bus (20%)
④ Taxi (11%)

3. How satisfied are you with public transportation?
① I am satisfied with public transportation (46%)
② I am unsatisfied with public transportation (32%)
③ I am very satisfied with public transportation (14%)
④ I am very unsatisfied with public transportation (8%)

4-1. If you were satisfied with public transportation, what’s the reason?
① Access to public transportation is easy (47%)
② The facilities are well maintained (20%)
③ The fare of public transportation is appropriate (18%)
④ The service is kind (15%)

4-2. If you were not satisfied with public transportation, what’s the reason?
① The fare of public transportation is expensive (35%)
② The service is unkind (30%)
③ Access to public transportation is difficult (20%)
④ The facilities are outdated (15%)

The Keimyung Gazette found that 37% of Keimyung University students use public transportation four to five times a week. Furthermore, students thought that the subway is the safest public transportation. The satisfaction with public transportation was 60%, and students were generally satisfied with public transportation because access to public transportation is easy. However, other students were not satisfied with public transportation because they think that the fare is expensive.